{
  "schemaVersion": 1,
  "runId": "2026-10-22T11-24-39-333Z-reasoning-effort-replay",
  "generatedAt": "2026-10-22T11:24:39.380Z",
  "experiment": "reasoning-effort",
  "title": "Reasoning effort: what each effort level costs per task, and what it buys",
  "adapter": "replay",
  "methodology": {
    "question": "Per-token list prices do not change with reasoning effort; the number of hidden reasoning tokens does, and they are billed as output tokens. For each model, what is the list-price cost per task at each effort level, and how does accuracy change?",
    "inferenceRoute": "OpenRouter chat completions with the unified reasoning.effort parameter (reasoning text excluded from the response; still billed)",
    "costBasis": "AI Pricing Guru direct-provider list prices from public/pricing.json: prompt tokens x inputPerM + (reasoning + visible output tokens) x outputPerM. No cache discounts. OpenRouter billed spend is reported separately.",
    "reasoningTokenSource": "usage.completion_tokens_details.reasoning_tokens; cells where a provider does not report it are flagged reasoningReported=false and their cost still uses total completion tokens.",
    "effortMapping": "OpenAI/xAI receive effort natively. For Anthropic, OpenRouter converts effort into a thinking budget proportional to max_tokens, so Anthropic results are only comparable at the same max_tokens. Gemini 3 maps effort to thinkingLevel. 'none' disables reasoning where the route allows it.",
    "maxOutputTokens": 16000,
    "temperature": "provider default (not sent)",
    "grading": "deterministic exact/number/regex/contains/json_fields graders; no LLM judge. number/exact graders ignore markdown emphasis, code ticks, a leading $ and thousands separators; a worked explanation instead of the bare answer still fails.",
    "monthlyCapUsd": 100,
    "runBudgetUsd": 15,
    "concurrency": 4,
    "limitations": "Single pass per task and effort; small suite (22 tasks). Reasoning-token counts vary run to run and by task type, so treat per-task costs as indicative ranges, not fixed prices. Truncated answers (finish_reason=length) count as incorrect."
  },
  "suite": {
    "id": "reasoning-effort-v1",
    "version": 1,
    "easyTaskIds": [
      "math-002",
      "math-008",
      "extract-001",
      "classify-001",
      "summ-001",
      "code-004",
      "logic-009",
      "pricing-004"
    ]
  },
  "models": [
    {
      "pricingId": "gpt-6.1-sol",
      "openrouterId": "openai/gpt-6.1-sol",
      "label": "GPT-6.1 Sol",
      "efforts": [
        "none",
        "low",
        "medium",
        "high"
      ]
    },
    {
      "pricingId": "gpt-6-luna",
      "openrouterId": "openai/gpt-6-luna",
      "label": "GPT-6 Luna",
      "efforts": [
        "none",
        "low",
        "medium",
        "high"
      ]
    },
    {
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "efforts": [
        "none",
        "low",
        "medium",
        "high"
      ]
    },
    {
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "efforts": [
        "none",
        "low",
        "medium",
        "high"
      ]
    },
    {
      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
      "efforts": [
        "minimal",
        "low",
        "medium",
        "high"
      ]
    },
    {
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "efforts": [
        "none",
        "high"
      ]
    },
    {
      "pricingId": "grok-4.6",
      "openrouterId": "x-ai/grok-4.6",
      "label": "Grok 4.6",
      "efforts": [
        "low",
        "high"
      ]
    }
  ],
  "tasks": [
    {
      "id": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "prompt": "Return only the integer answer. A model costs $0.30 per 1M input tokens and $2.50 per 1M output tokens. What is the cost in cents for 100,000 input tokens and 20,000 output tokens?"
    },
    {
      "id": "math-008",
      "category": "reasoning",
      "difficulty": "easy",
      "prompt": "Return only the decimal answer with no currency symbol. If a run spends $0.42 and gets 14 correct answers, what is dollars per correct answer?"
    },
    {
      "id": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "prompt": "Return only JSON with numeric values for prices and context, without currency symbols or units. Text: 'Gemini Flash: input $0.30/M, output $2.50/M, context 1,048,576 tokens.' Extract fields model, inputPerM, outputPerM, context."
    },
    {
      "id": "classify-001",
      "category": "classification",
      "difficulty": "easy",
      "prompt": "Return only one label: pricing, launch, outage, or tutorial. Headline: 'OpenAI cuts GPT-5.6 Luna output token price by 20%'."
    },
    {
      "id": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "prompt": "Summarize in exactly 8 words and include these exact words: cheaper, extraction, failed, arithmetic. Text: 'The cheaper model answered all extraction tasks correctly but failed most multi-step arithmetic, making it a good fit for structured parsing rather than reasoning.'"
    },
    {
      "id": "code-004",
      "category": "coding",
      "difficulty": "easy",
      "prompt": "Return only JSON. For rows [{ok:true,cost:0.02},{ok:false,cost:0.03},{ok:true,cost:0.01}], compute correct, totalCost, costPerCorrect."
    },
    {
      "id": "logic-009",
      "category": "instruction",
      "difficulty": "easy",
      "prompt": "Return only the final model ID. Chain: start=gpt-5; replace gpt with glm; append .2; prefix z-ai-."
    },
    {
      "id": "pricing-004",
      "category": "pricing",
      "difficulty": "easy",
      "prompt": "Return only JSON. A run used 1000 prompt tokens and 500 completion tokens. Prices are $1/M input and $6/M output. Compute inputCost, outputCost, totalCost in dollars."
    },
    {
      "id": "h-math-01",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the integer answer. How many positive integers from 1 to 1000 inclusive are divisible by 3 or by 5, but not by 15?"
    },
    {
      "id": "h-math-02",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the integer answer. On a grid you move only right or up, one unit per step, from (0,0) to (6,4). How many distinct paths never pass through the point (3,2)?"
    },
    {
      "id": "h-math-03",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the integer answer. What are the last two digits of 7^2026? Give them as a number (for example 07 would be 7)."
    },
    {
      "id": "h-math-04",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the integer answer. What is the sum of the decimal digits of 2^100?"
    },
    {
      "id": "h-math-05",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the integer answer. How many trailing zeros does 250! (250 factorial) have?"
    },
    {
      "id": "h-math-06",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the integer answer. How many four-digit positive integers have digits that are strictly increasing from left to right (for example 1359)?"
    },
    {
      "id": "h-prob-01",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the probability as a fully reduced fraction a/b. Two fair six-sided dice are rolled. What is the probability that the sum is a prime number?"
    },
    {
      "id": "h-date-01",
      "category": "math",
      "difficulty": "hard",
      "prompt": "Return only the English weekday name. 22 October 2026 is a Thursday. What day of the week is exactly 1000 days later?"
    },
    {
      "id": "h-pricing-01",
      "category": "pricing",
      "difficulty": "hard",
      "prompt": "Return only the integer number of dollars, rounded to the nearest dollar. An app sends 1,200 requests per day for 30 days. Each request has 3,000 input tokens, of which 2,000 are a cached prompt prefix billed at $0.50 per 1M tokens; the remaining input tokens are billed at $5 per 1M. Each request also produces 800 output tokens billed at $25 per 1M. What is the total cost for the 30 days?"
    },
    {
      "id": "h-pricing-02",
      "category": "pricing",
      "difficulty": "hard",
      "prompt": "Return only the integer number of cents. Model A costs $3 per 1M input tokens and $15 per 1M output tokens. Model B costs $1 per 1M input tokens and $8 per 1M output tokens, but because of hidden reasoning it produces 2.5 times as many output tokens as Model A for the same task. A request to Model A uses 2,000 input tokens and 400 output tokens; Model B uses the same input. What does Model B cost for 1,000 such requests, in cents?"
    },
    {
      "id": "h-code-01",
      "category": "coding",
      "difficulty": "hard",
      "prompt": "Return only the printed output. Python:\nx = [3, 1, 4, 1, 5, 9, 2, 6]\ns = 0\nfor i, v in enumerate(x):\n    if i % 2 == 0:\n        s += v * i\n    else:\n        s -= v\nprint(s)"
    },
    {
      "id": "h-code-02",
      "category": "coding",
      "difficulty": "hard",
      "prompt": "Return only the printed output. Python:\nd = {}\nfor w in \"the cat and the hat and the bat\".split():\n    d[w] = d.get(w, 0) + len(w)\nprint(sorted(d.items(), key=lambda kv: (-kv[1], kv[0]))[1][0])"
    },
    {
      "id": "h-logic-01",
      "category": "logic",
      "difficulty": "hard",
      "prompt": "Return only the five letters in seat order from seat 1 to seat 5, with no spaces (for example ABCDE). Five people A, B, C, D, E sit in seats 1 to 5 in a row. B sits immediately to the left of D (B's seat number is exactly one less than D's). A is not in seat 1 or seat 5. C sits somewhere to the right of E (higher seat number). E is not next to A. D is not in seat 5."
    },
    {
      "id": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "prompt": "Return only JSON of the form {\"P\": \"knight\" or \"knave\", \"Q\": ..., \"R\": ...}. Knights always tell the truth and knaves always lie. P says: \"Q is a knave.\" Q says: \"P and R are different types.\" R says: \"Q is a knight and P is a knave.\" What is each person?"
    }
  ],
  "attempted": 483,
  "correct": 440,
  "errors": 45,
  "skippedForBudget": 0,
  "billedUsd": 0.5949344064350003,
  "listPriceCostUsd": 0.6039285400000003,
  "monthlySpendAtStartUsd": 0,
  "monthlySpendAfterUsd": 0.5949344064350003,
  "modelSummaries": [
    {
      "pricingId": "gpt-6.1-sol",
      "label": "GPT-6.1 Sol",
      "inputPerM": 2,
      "outputPerM": 10,
      "baselineEffort": "low",
      "efforts": [
        {
          "effort": "low",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 0.9285714285714286,
          "avgListUsdPerTask": 0.0005089090909090909,
          "hardAvgListUsdPerTask": 0.0005711428571428571,
          "avgReasoningTokens": 22,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "medium",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.0005598181818181817,
          "hardAvgListUsdPerTask": 0.0005897142857142856,
          "avgReasoningTokens": 26.727272727272727,
          "costMultiplierVsBaseline": 1.1000357270453731,
          "hardCostMultiplierVsBaseline": 1.0325162581290646,
          "accuracyDeltaVsBaseline": 0.045454545454545414,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "high",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.000778909090909091,
          "hardAvgListUsdPerTask": 0.0008311428571428569,
          "avgReasoningTokens": 48.5,
          "costMultiplierVsBaseline": 1.5305466237942122,
          "hardCostMultiplierVsBaseline": 1.4552276138069031,
          "accuracyDeltaVsBaseline": 0.045454545454545414,
          "truncatedCount": 0,
          "errorCount": 0
        }
      ],
      "unavailableEfforts": [
        "none"
      ]
    },
    {
      "pricingId": "gpt-6-luna",
      "label": "GPT-6 Luna",
      "inputPerM": 0.1,
      "outputPerM": 0.5,
      "baselineEffort": "none",
      "efforts": [
        {
          "effort": "none",
          "accuracy": 0.5909090909090909,
          "hardAccuracy": 0.42857142857142855,
          "avgListUsdPerTask": 1.4240909090909093e-05,
          "hardAvgListUsdPerTask": 1.32e-05,
          "avgReasoningTokens": 0,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "low",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 0.9285714285714286,
          "avgListUsdPerTask": 5.287727272727273e-05,
          "hardAvgListUsdPerTask": 6.059285714285715e-05,
          "avgReasoningTokens": 76.27272727272727,
          "costMultiplierVsBaseline": 3.713054580274497,
          "hardCostMultiplierVsBaseline": 4.590367965367966,
          "accuracyDeltaVsBaseline": 0.36363636363636365,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "medium",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 0.9285714285714286,
          "avgListUsdPerTask": 5.5286363636363634e-05,
          "hardAvgListUsdPerTask": 6.387857142857143e-05,
          "avgReasoningTokens": 81.0909090909091,
          "costMultiplierVsBaseline": 3.8822215129269066,
          "hardCostMultiplierVsBaseline": 4.8392857142857135,
          "accuracyDeltaVsBaseline": 0.36363636363636365,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "high",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 0.9285714285714286,
          "avgListUsdPerTask": 5.833181818181818e-05,
          "hardAvgListUsdPerTask": 6.709285714285714e-05,
          "avgReasoningTokens": 87.18181818181819,
          "costMultiplierVsBaseline": 4.096074050430897,
          "hardCostMultiplierVsBaseline": 5.082792207792207,
          "accuracyDeltaVsBaseline": 0.36363636363636365,
          "truncatedCount": 0,
          "errorCount": 0
        }
      ],
      "unavailableEfforts": []
    },
    {
      "pricingId": "claude-opus-5-5",
      "label": "Claude Opus 5.5",
      "inputPerM": 4,
      "outputPerM": 20,
      "baselineEffort": "low",
      "efforts": [
        {
          "effort": "low",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 0.9285714285714286,
          "avgListUsdPerTask": 0.0020176363636363634,
          "hardAvgListUsdPerTask": 0.0022134285714285715,
          "avgReasoningTokens": 62.5,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "medium",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.002120363636363636,
          "hardAvgListUsdPerTask": 0.0023377142857142863,
          "avgReasoningTokens": 69.04545454545455,
          "costMultiplierVsBaseline": 1.0509146616202576,
          "hardCostMultiplierVsBaseline": 1.0561507680392412,
          "accuracyDeltaVsBaseline": 0.045454545454545414,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "high",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.0023003636363636364,
          "hardAvgListUsdPerTask": 0.0023934285714285715,
          "avgReasoningTokens": 78,
          "costMultiplierVsBaseline": 1.140127962512391,
          "hardCostMultiplierVsBaseline": 1.0813218019878663,
          "accuracyDeltaVsBaseline": 0.045454545454545414,
          "truncatedCount": 0,
          "errorCount": 0
        }
      ],
      "unavailableEfforts": [
        "none"
      ]
    },
    {
      "pricingId": "claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "inputPerM": 2,
      "outputPerM": 10,
      "baselineEffort": "none",
      "efforts": [
        {
          "effort": "none",
          "accuracy": 0.5454545454545454,
          "hardAccuracy": 0.35714285714285715,
          "avgListUsdPerTask": 0.0014575454545454544,
          "hardAvgListUsdPerTask": 0.0019634285714285713,
          "avgReasoningTokens": 0,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
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          "errorCount": 0
        },
        {
          "effort": "low",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 0.9285714285714286,
          "avgListUsdPerTask": 0.0010457272727272726,
          "hardAvgListUsdPerTask": 0.0013419999999999999,
          "avgReasoningTokens": 67.81818181818181,
          "costMultiplierVsBaseline": 0.7174577434042287,
          "hardCostMultiplierVsBaseline": 0.6834982537834692,
          "accuracyDeltaVsBaseline": 0.40909090909090917,
          "truncatedCount": 0,
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        },
        {
          "effort": "medium",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.001183,
          "hardAvgListUsdPerTask": 0.0015148571428571429,
          "avgReasoningTokens": 80.77272727272727,
          "costMultiplierVsBaseline": 0.8116384956028193,
          "hardCostMultiplierVsBaseline": 0.7715366705471479,
          "accuracyDeltaVsBaseline": 0.4545454545454546,
          "truncatedCount": 0,
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        },
        {
          "effort": "high",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.001716181818181818,
          "hardAvgListUsdPerTask": 0.002286285714285714,
          "avgReasoningTokens": 133.86363636363637,
          "costMultiplierVsBaseline": 1.1774465165595958,
          "hardCostMultiplierVsBaseline": 1.1644353899883584,
          "accuracyDeltaVsBaseline": 0.4545454545454546,
          "truncatedCount": 0,
          "errorCount": 0
        }
      ],
      "unavailableEfforts": []
    },
    {
      "pricingId": "gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
      "inputPerM": 0.75,
      "outputPerM": 3.75,
      "baselineEffort": "minimal",
      "efforts": [
        {
          "effort": "minimal",
          "accuracy": 0.7619047619047619,
          "hardAccuracy": 0.6428571428571429,
          "avgListUsdPerTask": 9.535714285714284e-05,
          "hardAvgListUsdPerTask": 7.976785714285714e-05,
          "avgReasoningTokens": 0,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
          "truncatedCount": 0,
          "errorCount": 1
        },
        {
          "effort": "low",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.0010773068181818182,
          "hardAvgListUsdPerTask": 0.001251910714285714,
          "avgReasoningTokens": 261.90909090909093,
          "costMultiplierVsBaseline": 11.297599591419818,
          "hardCostMultiplierVsBaseline": 15.694425789120213,
          "accuracyDeltaVsBaseline": 0.23809523809523814,
          "truncatedCount": 0,
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        },
        {
          "effort": "medium",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.0020795795454545455,
          "hardAvgListUsdPerTask": 0.0023078035714285713,
          "avgReasoningTokens": 529.7272727272727,
          "costMultiplierVsBaseline": 21.808324821246174,
          "hardCostMultiplierVsBaseline": 28.931497649429147,
          "accuracyDeltaVsBaseline": 0.23809523809523814,
          "truncatedCount": 0,
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        },
        {
          "effort": "high",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.0030043636363636357,
          "hardAvgListUsdPerTask": 0.0034945178571428566,
          "avgReasoningTokens": 776,
          "costMultiplierVsBaseline": 31.50643513789581,
          "hardCostMultiplierVsBaseline": 43.80859637340497,
          "accuracyDeltaVsBaseline": 0.23809523809523814,
          "truncatedCount": 0,
          "errorCount": 0
        }
      ],
      "unavailableEfforts": []
    },
    {
      "pricingId": "deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "inputPerM": 0.66,
      "outputPerM": 1.98,
      "baselineEffort": "none",
      "efforts": [
        {
          "effort": "none",
          "accuracy": 0.45454545454545453,
          "hardAccuracy": 0.2857142857142857,
          "avgListUsdPerTask": 7.197e-05,
          "hardAvgListUsdPerTask": 6.65657142857143e-05,
          "avgReasoningTokens": 0,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
          "truncatedCount": 0,
          "errorCount": 0
        },
        {
          "effort": "high",
          "accuracy": 1,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.0007095,
          "hardAvgListUsdPerTask": 0.0008567742857142857,
          "avgReasoningTokens": 264.8181818181818,
          "costMultiplierVsBaseline": 9.858274280950395,
          "hardCostMultiplierVsBaseline": 12.87110481586402,
          "accuracyDeltaVsBaseline": 0.5454545454545454,
          "truncatedCount": 0,
          "errorCount": 0
        }
      ],
      "unavailableEfforts": []
    },
    {
      "pricingId": "grok-4.6",
      "label": "Grok 4.6",
      "inputPerM": 2,
      "outputPerM": 6,
      "baselineEffort": "low",
      "efforts": [
        {
          "effort": "low",
          "accuracy": 0.9545454545454546,
          "hardAccuracy": 1,
          "avgListUsdPerTask": 0.002388909090909091,
          "hardAvgListUsdPerTask": 0.0028208571428571423,
          "avgReasoningTokens": 296.27272727272725,
          "costMultiplierVsBaseline": 1,
          "hardCostMultiplierVsBaseline": 1,
          "accuracyDeltaVsBaseline": 0,
          "truncatedCount": 0,
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        },
        {
          "effort": "high",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "code-004",
      "category": "coding",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "logic-009",
      "category": "instruction",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "pricing-004",
      "category": "pricing",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-math-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-math-02",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-math-03",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-math-04",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-math-05",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-math-06",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-prob-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-date-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-pricing-01",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-pricing-02",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-code-01",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-code-02",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-logic-01",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "none",
      "status": "error",
      "error": "Reasoning is mandatory for this endpoint and cannot be disabled.",
      "correct": false,
      "billedUsd": 0
    },
    {
      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 8,
        "detail": "expected 8"
      },
      "output": "8",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 127,
        "completionTokens": 64,
        "reasoningTokens": 61,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000508,
        "reasoningUsd": 0.00122,
        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.0017879999999999999
      },
      "listUsd": 0.0017879999999999999,
      "billedUsd": 0.001788,
      "latencyMs": 3292
    },
    {
      "taskId": "math-008",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 0.03,
        "detail": "expected 0.03"
      },
      "output": "0.03",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 106,
        "completionTokens": 5,
        "reasoningTokens": 0,
        "visibleOutputTokens": 5,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000424,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.0001,
        "totalUsd": 0.000524
      },
      "listUsd": 0.000524,
      "billedUsd": 0.000524,
      "latencyMs": 1609
    },
    {
      "taskId": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "model": "Gemini Flash",
          "inputPerM": 0.3,
          "outputPerM": 2.5,
          "context": 1048576
        },
        "missing": []
      },
      "output": "{\"model\":\"Gemini Flash\",\"inputPerM\":0.30,\"outputPerM\":2.50,\"context\":1048576}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 146,
        "completionTokens": 43,
        "reasoningTokens": 0,
        "visibleOutputTokens": 43,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000584,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.0008600000000000001,
        "totalUsd": 0.001444
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      "listUsd": 0.001444,
      "billedUsd": 0.001444,
      "latencyMs": 2431
    },
    {
      "taskId": "classify-001",
      "category": "classification",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected pricing"
      },
      "output": "pricing",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 113,
        "completionTokens": 5,
        "reasoningTokens": 0,
        "visibleOutputTokens": 5,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000452,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.0001,
        "totalUsd": 0.000552
      },
      "listUsd": 0.000552,
      "billedUsd": 0.000552,
      "latencyMs": 1940
    },
    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "missing": [],
        "constraintFailures": []
      },
      "output": "Cheaper model aced extraction tasks, but failed arithmetic.",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 152,
        "completionTokens": 224,
        "reasoningTokens": 198,
        "visibleOutputTokens": 26,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000608,
        "reasoningUsd": 0.00396,
        "visibleOutputUsd": 0.00052,
        "totalUsd": 0.005088
      },
      "listUsd": 0.005088,
      "billedUsd": 0.005088,
      "latencyMs": 6169
    },
    {
      "taskId": "code-004",
      "category": "coding",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "correct": 2,
          "totalCost": 0.06,
          "costPerCorrect": 0.03
        },
        "missing": []
      },
      "output": "correct=2, total=0.06, per=0.03 {\"correct\":2,\"totalCost\":0.06,\"costPerCorrect\":0.03}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 126,
        "completionTokens": 49,
        "reasoningTokens": 0,
        "visibleOutputTokens": 49,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000504,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00098,
        "totalUsd": 0.001484
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      "listUsd": 0.001484,
      "billedUsd": 0.001484,
      "latencyMs": 2743
    },
    {
      "taskId": "logic-009",
      "category": "instruction",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected z-ai-glm-5.2"
      },
      "output": "z-ai-glm-5.2",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 100,
        "completionTokens": 48,
        "reasoningTokens": 35,
        "visibleOutputTokens": 13,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.0004,
        "reasoningUsd": 0.0006999999999999999,
        "visibleOutputUsd": 0.00026,
        "totalUsd": 0.0013599999999999999
      },
      "listUsd": 0.0013599999999999999,
      "billedUsd": 0.00136,
      "latencyMs": 3622
    },
    {
      "taskId": "pricing-004",
      "category": "pricing",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "inputCost": 0.001,
          "outputCost": 0.003,
          "totalCost": 0.004
        },
        "missing": []
      },
      "output": "{\"inputCost\":0.001,\"outputCost\":0.003,\"totalCost\":0.004}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 125,
        "completionTokens": 33,
        "reasoningTokens": 0,
        "visibleOutputTokens": 33,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.0005,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00066,
        "totalUsd": 0.00116
      },
      "listUsd": 0.00116,
      "billedUsd": 0.00116,
      "latencyMs": 1769
    },
    {
      "taskId": "h-math-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 401,
        "detail": "expected 401"
      },
      "output": "401",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 104,
        "completionTokens": 47,
        "reasoningTokens": 44,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000416,
        "reasoningUsd": 0.0008799999999999999,
        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.0013559999999999998
      },
      "listUsd": 0.0013559999999999998,
      "billedUsd": 0.001356,
      "latencyMs": 3150
    },
    {
      "taskId": "h-math-02",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 110,
        "detail": "expected 110"
      },
      "output": "110",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 114,
        "completionTokens": 64,
        "reasoningTokens": 61,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000456,
        "reasoningUsd": 0.00122,
        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.001736
      },
      "listUsd": 0.001736,
      "billedUsd": 0.001736,
      "latencyMs": 3650
    },
    {
      "taskId": "h-math-03",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 49,
        "detail": "expected 49"
      },
      "output": "49",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 97,
        "completionTokens": 42,
        "reasoningTokens": 39,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000388,
        "reasoningUsd": 0.00078,
        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.001228
      },
      "listUsd": 0.001228,
      "billedUsd": 0.001228,
      "latencyMs": 4404
    },
    {
      "taskId": "h-math-04",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 115,
        "detail": "expected 115"
      },
      "output": "115",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 84,
        "completionTokens": 167,
        "reasoningTokens": 164,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000336,
        "reasoningUsd": 0.00328,
        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.003676
      },
      "listUsd": 0.003676,
      "billedUsd": 0.003676,
      "latencyMs": 4605
    },
    {
      "taskId": "h-math-05",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 62"
      },
      "output": "250/5=50, /25=10, /125=2 \u2192 62 62",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 87,
        "completionTokens": 23,
        "reasoningTokens": 0,
        "visibleOutputTokens": 23,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000348,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00046,
        "totalUsd": 0.000808
      },
      "listUsd": 0.000808,
      "billedUsd": 0.000808,
      "latencyMs": 2874
    },
    {
      "taskId": "h-math-06",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 126,
        "detail": "expected 126"
      },
      "output": "126",
      "finishReason": "stop",
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      "pricingId": "claude-opus-5-5",
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      "correct": true,
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        "detail": "pattern ^5\\s*/\\s*12$"
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    {
      "taskId": "h-date-01",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
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      "taskId": "h-pricing-01",
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      "taskId": "h-pricing-02",
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      "pricingId": "claude-opus-5-5",
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        "inputUsd": 0.000864,
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      "taskId": "h-code-01",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "actual": 23,
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        "inputUsd": 0.000588,
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        "visibleOutputUsd": 6e-05,
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      "taskId": "h-code-02",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "detail": "expected and"
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      "output": "and",
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        "inputUsd": 0.000604,
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    {
      "taskId": "h-logic-01",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "status": "ok",
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        "detail": "expected EBDAC"
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      "output": "EBDAC",
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        "inputUsd": 0.000796,
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    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "status": "ok",
      "correct": true,
      "grade": {
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        "actual": {
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        "missing": []
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      "output": "{\"P\": \"knave\", \"Q\": \"knight\", \"R\": \"knight\"}",
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        "inputUsd": 0.00062,
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      "latencyMs": 4091
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    {
      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "correct": true,
        "actual": 8,
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      "output": "8",
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        "inputUsd": 0.000508,
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        "visibleOutputUsd": 6e-05,
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    {
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "grade": {
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        "actual": 0.03,
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      "output": "0.03",
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        "inputUsd": 0.000424,
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      "latencyMs": 1599
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    {
      "taskId": "extract-001",
      "category": "extraction",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "medium",
      "status": "ok",
      "correct": true,
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          "context": 1048576
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        "inputUsd": 0.000584,
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      "latencyMs": 2368
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      "taskId": "classify-001",
      "category": "classification",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "status": "ok",
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      "grade": {
        "correct": true,
        "detail": "expected pricing"
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      "output": "pricing",
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        "inputUsd": 0.000452,
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      "listUsd": 0.000552,
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      "latencyMs": 1866
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    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "medium",
      "status": "ok",
      "correct": true,
      "grade": {
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      "output": "Cheaper model aced extraction, failed arithmetic; suits parsing.",
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      "category": "coding",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "missing": []
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        "inputUsd": 0.000504,
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      "taskId": "logic-009",
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      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "category": "pricing",
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      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "missing": []
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      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "actual": 401,
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        "inputUsd": 0.000416,
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      "openrouterId": "anthropic/claude-opus-5.5",
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        "inputUsd": 0.000456,
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        "visibleOutputUsd": 6e-05,
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      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "category": "math",
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      "pricingId": "claude-opus-5-5",
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        "inputUsd": 0.000396,
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        "visibleOutputUsd": 6e-05,
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
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      "correct": true,
      "grade": {
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        "detail": "pattern ^5\\s*/\\s*12$"
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    {
      "taskId": "h-date-01",
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      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "inputUsd": 0.000392,
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      "taskId": "h-pricing-01",
      "category": "pricing",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
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        "inputUsd": 0.000816,
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        "visibleOutputUsd": 6e-05,
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    {
      "taskId": "h-pricing-02",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "inputUsd": 0.000864,
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      "taskId": "h-code-01",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "inputUsd": 0.000588,
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        "visibleOutputUsd": 6e-05,
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      "category": "coding",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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        "inputUsd": 0.000604,
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        "visibleOutputUsd": 6e-05,
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    {
      "taskId": "h-logic-01",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "status": "ok",
      "correct": true,
      "grade": {
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        "detail": "expected EBDAC"
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        "inputUsd": 0.000796,
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    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "status": "ok",
      "correct": true,
      "grade": {
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        "actual": {
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        "missing": []
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      "output": "{\"P\": \"knave\", \"Q\": \"knight\", \"R\": \"knight\"}",
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        "inputUsd": 0.00062,
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      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "output": "8",
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        "inputUsd": 0.000508,
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "taskId": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "status": "ok",
      "correct": true,
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      "openrouterId": "anthropic/claude-opus-5.5",
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      "category": "summarization",
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      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
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      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
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      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 49,
        "detail": "expected 49"
      },
      "output": "49",
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        "promptTokens": 97,
        "completionTokens": 46,
        "reasoningTokens": 43,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000388,
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        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.001308
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      "listUsd": 0.001308,
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      "latencyMs": 3247
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    {
      "taskId": "h-math-04",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 115,
        "detail": "expected 115"
      },
      "output": "115",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 84,
        "completionTokens": 174,
        "reasoningTokens": 171,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000336,
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        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.0038160000000000004
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      "listUsd": 0.0038160000000000004,
      "billedUsd": 0.003816,
      "latencyMs": 4683
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    {
      "taskId": "h-math-05",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 62,
        "detail": "expected 62"
      },
      "output": "62",
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      "usage": {
        "promptTokens": 87,
        "completionTokens": 26,
        "reasoningTokens": 23,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000348,
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        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.0008680000000000001
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      "listUsd": 0.0008680000000000001,
      "billedUsd": 0.000868,
      "latencyMs": 2428
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    {
      "taskId": "h-math-06",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 126,
        "detail": "expected 126"
      },
      "output": "126",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 99,
        "completionTokens": 96,
        "reasoningTokens": 93,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      },
      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000396,
        "reasoningUsd": 0.0018599999999999999,
        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.002316
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      "listUsd": 0.002316,
      "billedUsd": 0.002316,
      "latencyMs": 4250
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    {
      "taskId": "h-prob-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "pattern ^5\\s*/\\s*12$"
      },
      "output": "5/12",
      "finishReason": "stop",
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        "promptTokens": 107,
        "completionTokens": 47,
        "reasoningTokens": 42,
        "visibleOutputTokens": 5,
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        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000428,
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        "visibleOutputUsd": 0.0001,
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      "listUsd": 0.001368,
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      "latencyMs": 3293
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    {
      "taskId": "h-date-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected Wednesday"
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      "output": "Wednesday",
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        "promptTokens": 98,
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        "reasoningTokens": 33,
        "visibleOutputTokens": 7,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000392,
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        "visibleOutputUsd": 0.00014,
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      "listUsd": 0.001192,
      "billedUsd": 0.001192,
      "latencyMs": 2910
    },
    {
      "taskId": "h-pricing-01",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 936,
        "detail": "expected 936"
      },
      "output": "936",
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        "promptTokens": 204,
        "completionTokens": 98,
        "reasoningTokens": 95,
        "visibleOutputTokens": 3,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000816,
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        "visibleOutputUsd": 6e-05,
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      "listUsd": 0.0027760000000000003,
      "billedUsd": 0.002776,
      "latencyMs": 2804
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    {
      "taskId": "h-pricing-02",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 1000,
        "detail": "expected 1000"
      },
      "output": "1000",
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        "promptTokens": 216,
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        "reasoningTokens": 83,
        "visibleOutputTokens": 4,
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        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000864,
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        "visibleOutputUsd": 7.999999999999999e-05,
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      "listUsd": 0.0026040000000000004,
      "billedUsd": 0.002604,
      "latencyMs": 3722
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    {
      "taskId": "h-code-01",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 23,
        "detail": "expected 23"
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      "output": "23",
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        "promptTokens": 147,
        "completionTokens": 116,
        "reasoningTokens": 113,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000588,
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        "visibleOutputUsd": 6e-05,
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      "listUsd": 0.002908,
      "billedUsd": 0.002908,
      "latencyMs": 3090
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    {
      "taskId": "h-code-02",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected and"
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      "output": "and",
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        "promptTokens": 151,
        "completionTokens": 78,
        "reasoningTokens": 75,
        "visibleOutputTokens": 3,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.000604,
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        "visibleOutputUsd": 6e-05,
        "totalUsd": 0.002164
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      "listUsd": 0.002164,
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      "latencyMs": 4167
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    {
      "taskId": "h-logic-01",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected EBDAC"
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      "output": "EBDAC",
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        "promptTokens": 199,
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        "reasoningTokens": 245,
        "visibleOutputTokens": 7,
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        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 4,
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        "inputUsd": 0.000796,
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      "listUsd": 0.005836,
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      "latencyMs": 10179
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    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-opus-5-5",
      "openrouterId": "anthropic/claude-opus-5.5",
      "label": "Claude Opus 5.5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "P": "knave",
          "Q": "knight",
          "R": "knight"
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        "missing": []
      },
      "output": "{\"P\": \"knave\", \"Q\": \"knight\", \"R\": \"knight\"}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 155,
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        "reasoningTokens": 96,
        "visibleOutputTokens": 26,
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      "costBreakdown": {
        "inputPerM": 4,
        "outputPerM": 20,
        "inputUsd": 0.00062,
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      "listUsd": 0.0030600000000000002,
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      "latencyMs": 4178
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    {
      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 8"
      },
      "output": "**8** Calculation: - Input: 100,000 \u00d7 ($0.30/1,000,000) = $0.03 - Output: 20,000 \u00d7 ($2.50/1,000,000) = $0.05 - Total: $0.08 = 8 cents",
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        "promptTokens": 125,
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        "visibleOutputTokens": 83,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.00025,
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      "listUsd": 0.00108,
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      "latencyMs": 1867
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    {
      "taskId": "math-008",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 0.03,
        "detail": "expected 0.03"
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      "output": "0.03",
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        "promptTokens": 104,
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        "visibleOutputTokens": 5,
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        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000208,
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        "visibleOutputUsd": 5e-05,
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      "listUsd": 0.000258,
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      "latencyMs": 2648
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    {
      "taskId": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "model": "Gemini Flash",
          "inputPerM": 0.3,
          "outputPerM": 2.5,
          "context": 1048576
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        "missing": []
      },
      "output": "{\"model\": \"Gemini Flash\", \"inputPerM\": 0.30, \"outputPerM\": 2.50, \"context\": 1048576}",
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        "promptTokens": 144,
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        "visibleOutputTokens": 47,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000288,
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        "visibleOutputUsd": 0.00047,
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      "listUsd": 0.000758,
      "billedUsd": 0.000758,
      "latencyMs": 1853
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    {
      "taskId": "classify-001",
      "category": "classification",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected pricing"
      },
      "output": "pricing",
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      "usage": {
        "promptTokens": 111,
        "completionTokens": 5,
        "reasoningTokens": 0,
        "visibleOutputTokens": 5,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000222,
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        "visibleOutputUsd": 5e-05,
        "totalUsd": 0.000272
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      "listUsd": 0.000272,
      "billedUsd": 0.000272,
      "latencyMs": 1662
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    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "missing": [],
        "constraintFailures": []
      },
      "output": "Cheaper model excelled extraction, failed complex arithmetic reasoning.",
      "finishReason": "stop",
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        "promptTokens": 150,
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        "visibleOutputTokens": 29,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.0003,
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        "visibleOutputUsd": 0.00029,
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      "listUsd": 0.00059,
      "billedUsd": 0.00059,
      "latencyMs": 1553
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    {
      "taskId": "code-004",
      "category": "coding",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "correct": 2,
          "totalCost": 0.06,
          "costPerCorrect": 0.03
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        "missing": []
      },
      "output": "{\"correct\":2,\"totalCost\":0.06,\"costPerCorrect\":0.03}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 124,
        "completionTokens": 32,
        "reasoningTokens": 0,
        "visibleOutputTokens": 32,
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        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000248,
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      "listUsd": 0.0005679999999999999,
      "billedUsd": 0.000568,
      "latencyMs": 1513
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    {
      "taskId": "logic-009",
      "category": "instruction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected z-ai-glm-5.2"
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      "output": "z-ai-glm-5.2",
      "finishReason": "stop",
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        "promptTokens": 98,
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        "reasoningTokens": 0,
        "visibleOutputTokens": 13,
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        "reasoningOverReported": null,
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      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000196,
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        "visibleOutputUsd": 0.00013,
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      "listUsd": 0.000326,
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      "latencyMs": 1632
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    {
      "taskId": "pricing-004",
      "category": "pricing",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "inputCost": 0.001,
          "outputCost": 0.003,
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        },
        "missing": []
      },
      "output": "{ \"inputCost\": 0.001, \"outputCost\": 0.003, \"totalCost\": 0.004 }",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 123,
        "completionTokens": 48,
        "reasoningTokens": 0,
        "visibleOutputTokens": 48,
        "reasoningReported": true,
        "reasoningOverReported": null,
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      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000246,
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        "visibleOutputUsd": 0.00048,
        "totalUsd": 0.0007260000000000001
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      "listUsd": 0.0007260000000000001,
      "billedUsd": 0.000726,
      "latencyMs": 1599
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    {
      "taskId": "h-math-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": 400,
        "detail": "expected 401"
      },
      "output": "400",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 102,
        "completionTokens": 3,
        "reasoningTokens": 0,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000204,
        "reasoningUsd": 0,
        "visibleOutputUsd": 3e-05,
        "totalUsd": 0.000234
      },
      "listUsd": 0.000234,
      "billedUsd": 0.000234,
      "latencyMs": 1432
    },
    {
      "taskId": "h-math-02",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 110"
      },
      "output": "Total paths from (0,0) to (6,4): C(10,4) = 210 Paths through (3,2): C(5,3) * C(5,2) = 10 * 10 = 100 Paths avoiding (3,2): 210 - 100 = 110 **110**",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 112,
        "completionTokens": 88,
        "reasoningTokens": 0,
        "visibleOutputTokens": 88,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000224,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.0008799999999999999,
        "totalUsd": 0.001104
      },
      "listUsd": 0.001104,
      "billedUsd": 0.001104,
      "latencyMs": 1838
    },
    {
      "taskId": "h-math-03",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 49"
      },
      "output": "Powers of 7 mod 100 cycle with period 4: 07, 49, 43, 01. 2026 mod 4 = 2, so it matches the 2nd position. **49**",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 95,
        "completionTokens": 62,
        "reasoningTokens": 0,
        "visibleOutputTokens": 62,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.00019,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00062,
        "totalUsd": 0.00081
      },
      "listUsd": 0.00081,
      "billedUsd": 0.00081,
      "latencyMs": 2484
    },
    {
      "taskId": "h-math-04",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 115,
        "detail": "expected 115"
      },
      "output": "115",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 82,
        "completionTokens": 3,
        "reasoningTokens": 0,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000164,
        "reasoningUsd": 0,
        "visibleOutputUsd": 3e-05,
        "totalUsd": 0.000194
      },
      "listUsd": 0.000194,
      "billedUsd": 0.000194,
      "latencyMs": 1404
    },
    {
      "taskId": "h-math-05",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 62,
        "detail": "expected 62"
      },
      "output": "62",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 85,
        "completionTokens": 3,
        "reasoningTokens": 0,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.00017,
        "reasoningUsd": 0,
        "visibleOutputUsd": 3e-05,
        "totalUsd": 0.0002
      },
      "listUsd": 0.0002,
      "billedUsd": 0.0002,
      "latencyMs": 1663
    },
    {
      "taskId": "h-math-06",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 126,
        "detail": "expected 126"
      },
      "output": "126",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 97,
        "completionTokens": 3,
        "reasoningTokens": 0,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000194,
        "reasoningUsd": 0,
        "visibleOutputUsd": 3e-05,
        "totalUsd": 0.000224
      },
      "listUsd": 0.000224,
      "billedUsd": 0.000224,
      "latencyMs": 1709
    },
    {
      "taskId": "h-prob-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "pattern ^5\\s*/\\s*12$"
      },
      "output": "5/12",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 105,
        "completionTokens": 5,
        "reasoningTokens": 0,
        "visibleOutputTokens": 5,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.00021,
        "reasoningUsd": 0,
        "visibleOutputUsd": 5e-05,
        "totalUsd": 0.00026000000000000003
      },
      "listUsd": 0.00026000000000000003,
      "billedUsd": 0.00026,
      "latencyMs": 1517
    },
    {
      "taskId": "h-date-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "detail": "expected Wednesday"
      },
      "output": "Let me calculate: 1000 days \u00f7 7 = 142 weeks and 6 days remainder. Thursday + 6 days = Wednesday **Wednesday**",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 96,
        "completionTokens": 61,
        "reasoningTokens": 0,
        "visibleOutputTokens": 61,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000192,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00061,
        "totalUsd": 0.000802
      },
      "listUsd": 0.000802,
      "billedUsd": 0.000802,
      "latencyMs": 2128
    },
    {
      "taskId": "h-pricing-01",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 936"
      },
      "output": "Total requests = 1,200 \u00d7 30 = 36,000 Cached input tokens: 36,000 \u00d7 2,000 = 72,000,000 \u2192 cost = 72,000,000 \u00d7 0.50/1,000,000 = $36 Non-cached input tokens: 36,000 \u00d7 1,000 = 36,000,000 \u2192 cost = 36,000,000 \u00d7 5/1,000,000 = $180 Output tokens: 36,000 \u00d7 800 = 28,800,000 \u2192 cost = 28,800,000 \u00d7 25/1,000,000 = $720 Total = 36 + 180 + 720 = $936 **936**",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 202,
        "completionTokens": 199,
        "reasoningTokens": 0,
        "visibleOutputTokens": 199,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000404,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00199,
        "totalUsd": 0.002394
      },
      "listUsd": 0.002394,
      "billedUsd": 0.002394,
      "latencyMs": 2600
    },
    {
      "taskId": "h-pricing-02",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 1000"
      },
      "output": "Model B input tokens: 2,000 per request Model B output tokens: 400 \u00d7 2.5 = 1,000 per request For 1,000 requests: - Input tokens: 2,000 \u00d7 1,000 = 2,000,000 - Output tokens: 1,000 \u00d7 1,000 = 1,000,000 Cost: - Input: 2,000,000 / 1,000,000 \u00d7 $1 = $2 - Output: 1,000,000 / 1,000,000 \u00d7 $8 = $8 Total = $10 = 1000 cents **1000**",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 214,
        "completionTokens": 183,
        "reasoningTokens": 0,
        "visibleOutputTokens": 183,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000428,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00183,
        "totalUsd": 0.002258
      },
      "listUsd": 0.002258,
      "billedUsd": 0.002258,
      "latencyMs": 2349
    },
    {
      "taskId": "h-code-01",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 23"
      },
      "output": "Let me trace through this step by step. x = [3, 1, 4, 1, 5, 9, 2, 6] - i=0, v=3: even, s += 3*0 = 0 \u2192 s=0 - i=1, v=1: odd, s -= 1 \u2192 s=-1 - i=2, v=4: even, s += 4*2 = 8 \u2192 s=7 - i=3, v=1: odd, s -= 1 \u2192 s=6 - i=4, v=5: even, s += 5*4 = 20 \u2192 s=26 - i=5, v=9: odd, s -= 9 \u2192 s=17 - i=6, v=2: even, s += 2*6 = 12 \u2192 s=29 - i=7, v=6: odd, s -= 6 \u2192 s=23 **23**",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 145,
        "completionTokens": 245,
        "reasoningTokens": 0,
        "visibleOutputTokens": 245,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.00029,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00245,
        "totalUsd": 0.00274
      },
      "listUsd": 0.00274,
      "billedUsd": 0.00274,
      "latencyMs": 2621
    },
    {
      "taskId": "h-code-02",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "detail": "expected and"
      },
      "output": "Let me trace through this code. Words: \"the cat and the hat and the bat\" Split: ['the', 'cat', 'and', 'the', 'hat', 'and', 'the', 'bat'] Building dictionary with cumulative length sums: - the: 3+3+3 = 9 - cat: 3 - and: 3+3 = 6 - hat: 3 - bat: 3 d = {'the': 9, 'cat': 3, 'and': 6, 'hat': 3, 'bat': 3} Sort by (-value, key): - ('the', 9) \u2192 (-9, 'the') - ('and', 6) \u2192 (-6, 'and') - ('bat', 3) \u2192 (-3, 'bat') - ('cat', 3) \u2192 (-3, 'cat') - ('hat', 3) \u2192 (-3, 'hat') Sorted order: the, and, bat, cat, hat Index [1] = ('and', 6) [0] = 'and' and",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 149,
        "completionTokens": 322,
        "reasoningTokens": 0,
        "visibleOutputTokens": 322,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000298,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00322,
        "totalUsd": 0.0035180000000000003
      },
      "listUsd": 0.0035180000000000003,
      "billedUsd": 0.003518,
      "latencyMs": 3440
    },
    {
      "taskId": "h-logic-01",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "detail": "expected EBDAC"
      },
      "output": "I need to find seat positions 1-5 for A, B, C, D, E. **Constraints:** 1. B's seat = D's seat - 1 (B immediately left of D) 2. A is not in seat 1 or 5 3. C's seat > E's seat 4. E is not adjacent to A 5. D is not in seat 5 Since A is not in seat 1 or 5, A is in seat 2, 3, or 4. **Try B,D pairs:** (1,2), (2,3), (3,4) since D\u22605. **Case B=1, D=2:** Remaining seats 3,4,5 for A, C, E. A must be in 3 or 4 (from remaining). - If A=3: E,C in {4,5}, need C>E, so E=4, C=5. Check E not adjacent to A: E=4, A=3, adjacent - fails. - If A=4: E,C in {3,5}, need C>E, so E=3, C=5. Check E not adjacent to A: E=3, A=4, adjacent - fails. **Case B=2, D=3:** Remaining seats 1,4,5 for A, C, E. A must be in 4 (since A can't be 1 or 5). Remaining: E,C in {1,5}, need C>E, so E=1, C=5. Check E not adjacent to A: E=1, A=4, not adjacent - OK! Let's verify all constraints: - B=2, D=3: B immediately left of D \u2713 - A=4: not seat 1 or 5 \u2713 - C=5 > E=1 \u2713 - E=1, A=4: |1-4|=3, not adjacent \u2713 - D=3, not seat 5 \u2713 This works! Seats: 1=E, 2=B, 3=D, 4=A, 5=C **Case B=3, D=4:** Remaining seats 1,2,5 for A, C, E. A must be in 2 (since A can't be 1 or 5). E,C in {1,5}, need C>E, so E=1, C=5. Check E not adjacent to A: E=1, A=2, adjacent - fails. So the only valid solution is from Case B=2, D=3. **Final arrangement:** Seat1=E, Seat2=B, Seat3=D, Seat4=A, Seat5=C EBDAC",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 197,
        "completionTokens": 770,
        "reasoningTokens": 0,
        "visibleOutputTokens": 770,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000394,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.007699999999999999,
        "totalUsd": 0.008093999999999999
      },
      "listUsd": 0.008093999999999999,
      "billedUsd": 0.008094,
      "latencyMs": 6999
    },
    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "P": "knave",
          "Q": "knight",
          "R": "knight"
        },
        "missing": []
      },
      "output": "I need to find consistent assignments. Let me test cases systematically. **Try P=knight:** Then Q is a knave (from P's statement). Since Q is knave, Q's statement \"P and R are different types\" is false, so P and R are same type. Since P=knight, R=knight. Check R's statement: \"Q is a knight and P is a knave.\" R=knight, so this must be true. But Q is knave and P is knight - statement is false. Contradiction since R is knight (must tell truth). **Try P=knave:** Then Q's actual status is knight (since P's statement \"Q is a knave\" is false). Q=knight, so Q's statement is true: \"P and R are different types.\" Since P=knave, R=knight. Check R's statement: \"Q is a knight and P is a knave.\" R=knight, so must be true. Q=knight \u2713, P=knave \u2713. True! Consistent. **Verify all:** - P=knave: says \"Q is a knave\" - false (Q is knight) \u2713 consistent with knave - Q=knight: says \"P and R are different types\" - P=knave, R=knight, different \u2713 true, consistent with knight - R=knight: says \"Q is a knight and P is a knave\" - both true \u2713 consistent with knight {\"P\": \"knave\", \"Q\": \"knight\", \"R\": \"knight\"}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 153,
        "completionTokens": 435,
        "reasoningTokens": 0,
        "visibleOutputTokens": 435,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000306,
        "reasoningUsd": 0,
        "visibleOutputUsd": 0.00435,
        "totalUsd": 0.0046559999999999995
      },
      "listUsd": 0.0046559999999999995,
      "billedUsd": 0.004656,
      "latencyMs": 4725
    },
    {
      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 8,
        "detail": "expected 8"
      },
      "output": "8",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 125,
        "completionTokens": 61,
        "reasoningTokens": 58,
        "visibleOutputTokens": 3,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.00025,
        "reasoningUsd": 0.00058,
        "visibleOutputUsd": 3e-05,
        "totalUsd": 0.00086
      },
      "listUsd": 0.00086,
      "billedUsd": 0.00086,
      "latencyMs": 3581
    },
    {
      "taskId": "math-008",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 0.03,
        "detail": "expected 0.03"
      },
      "output": "0.03",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 104,
        "completionTokens": 5,
        "reasoningTokens": 0,
        "visibleOutputTokens": 5,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
        "inputPerM": 2,
        "outputPerM": 10,
        "inputUsd": 0.000208,
        "reasoningUsd": 0,
        "visibleOutputUsd": 5e-05,
        "totalUsd": 0.000258
      },
      "listUsd": 0.000258,
      "billedUsd": 0.000258,
      "latencyMs": 1696
    },
    {
      "taskId": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "low",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "model": "Gemini Flash",
          "inputPerM": 0.3,
          "outputPerM": 2.5,
          "context": 1048576
        },
        "missing": []
      },
      "output": "{\"model\": \"Gemini Flash\", \"inputPerM\": 0.30, \"outputPerM\": 2.50, \"context\": 1048576}",
      "finishReason": "stop",
      "usage": {
        "promptTokens": 144,
        "completionTokens": 47,
        "reasoningTokens": 0,
        "visibleOutputTokens": 47,
        "reasoningReported": true,
        "reasoningOverReported": null,
        "cachedTokens": 0
      },
      "costBreakdown": {
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      "latencyMs": 1742
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      "taskId": "classify-001",
      "category": "classification",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
      "correct": true,
      "grade": {
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        "inputUsd": 0.000222,
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        "visibleOutputUsd": 5e-05,
        "totalUsd": 0.000272
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      "listUsd": 0.000272,
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      "latencyMs": 2024
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    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
      "correct": true,
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      "taskId": "code-004",
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      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
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      "category": "instruction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
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      "grade": {
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        "inputUsd": 0.000196,
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      "latencyMs": 1535
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      "category": "pricing",
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
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        "inputUsd": 0.000246,
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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        "actual": 400,
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        "inputUsd": 0.000204,
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "pricingId": "claude-sonnet-5",
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        "inputUsd": 0.000194,
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      "grade": {
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        "detail": "pattern ^5\\s*/\\s*12$"
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        "actual": {
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    {
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      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
      "correct": true,
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      "latencyMs": 1595
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      "taskId": "classify-001",
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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        "inputUsd": 0.000222,
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      "latencyMs": 1718
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    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
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      "status": "ok",
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      "output": "Cheaper model succeeded extraction, failed complex multi-step arithmetic.",
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      "taskId": "code-004",
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      "taskId": "logic-009",
      "category": "instruction",
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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        "inputUsd": 0.000196,
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      "taskId": "pricing-004",
      "category": "pricing",
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      "openrouterId": "anthropic/claude-sonnet-5",
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      "label": "Claude Sonnet 5",
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      "taskId": "h-math-02",
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      "taskId": "h-math-03",
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      "label": "Claude Sonnet 5",
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      "taskId": "h-math-05",
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        "detail": "pattern ^5\\s*/\\s*12$"
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      "taskId": "h-date-01",
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      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "high",
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      "correct": true,
      "grade": {
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        "actual": 8,
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        "inputUsd": 0.00025,
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    {
      "taskId": "math-008",
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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        "actual": 0.03,
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        "inputUsd": 0.000208,
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      "listUsd": 0.000258,
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      "latencyMs": 1542
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    {
      "taskId": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
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        "actual": {
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          "context": 1048576
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      "output": "{\"model\": \"Gemini Flash\", \"inputPerM\": 0.30, \"outputPerM\": 2.50, \"context\": 1048576}",
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        "inputUsd": 0.000288,
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      "latencyMs": 1828
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    {
      "taskId": "classify-001",
      "category": "classification",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
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      "grade": {
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        "detail": "expected pricing"
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        "inputUsd": 0.000222,
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        "visibleOutputUsd": 5e-05,
        "totalUsd": 0.000272
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      "listUsd": 0.000272,
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      "latencyMs": 1741
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    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
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        "missing": [],
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      "output": "Cheaper model succeeded extraction tasks but failed arithmetic.",
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        "inputUsd": 0.0003,
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      "latencyMs": 1789
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      "taskId": "code-004",
      "category": "coding",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "latencyMs": 2571
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      "taskId": "logic-009",
      "category": "instruction",
      "difficulty": "easy",
      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "status": "ok",
      "correct": true,
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        "inputUsd": 0.000196,
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      "pricingId": "claude-sonnet-5",
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      "label": "Claude Sonnet 5",
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        "inputUsd": 0.000204,
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        "visibleOutputUsd": 3e-05,
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      "pricingId": "claude-sonnet-5",
      "openrouterId": "anthropic/claude-sonnet-5",
      "label": "Claude Sonnet 5",
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      "label": "Claude Sonnet 5",
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        "inputUsd": 0.00019,
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      "label": "Claude Sonnet 5",
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        "detail": "pattern ^5\\s*/\\s*12$"
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      "taskId": "h-date-01",
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      "openrouterId": "anthropic/claude-sonnet-5",
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      "openrouterId": "anthropic/claude-sonnet-5",
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      "taskId": "extract-001",
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      "taskId": "classify-001",
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      "taskId": "summ-001",
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      "status": "ok",
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        "missing": [],
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      "output": "Cheaper model succeeded at extraction but failed arithmetic.",
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        "inputUsd": 5.7e-05,
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      "pricingId": "gemini-3.6-flash",
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        "inputUsd": 4.2e-05,
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        "inputUsd": 5.5499999999999994e-05,
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      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
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        "inputUsd": 4.7249999999999997e-05,
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        "inputUsd": 5.475e-05,
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      "pricingId": "gemini-3.6-flash",
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      "label": "Gemini 3.6 Flash",
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        "inputUsd": 3.6e-05,
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      "pricingId": "gemini-3.6-flash",
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        "inputUsd": 3.7500000000000003e-05,
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        "inputUsd": 4.35e-05,
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        "detail": "pattern ^5\\s*/\\s*12$"
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    {
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        "inputUsd": 7.8e-05,
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      "taskId": "math-002",
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      "label": "Gemini 3.6 Flash",
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        "inputUsd": 4.5e-05,
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      "openrouterId": "google/gemini-3.6-flash",
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      "status": "ok",
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        "inputUsd": 7.125e-05,
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      "taskId": "classify-001",
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      "taskId": "summ-001",
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      "pricingId": "gemini-3.6-flash",
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      "status": "ok",
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        "inputUsd": 4.2e-05,
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        "inputUsd": 5.5499999999999994e-05,
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        "inputUsd": 4.7249999999999997e-05,
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        "inputUsd": 5.475e-05,
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        "detail": "pattern ^5\\s*/\\s*12$"
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      "taskId": "h-pricing-02",
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      "difficulty": "hard",
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        "inputUsd": 0.00011099999999999999,
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      "taskId": "h-code-01",
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      "openrouterId": "google/gemini-3.6-flash",
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        "inputPerM": 0.75,
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        "inputUsd": 8.099999999999999e-05,
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      "taskId": "h-code-02",
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        "inputUsd": 7.725e-05,
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      "taskId": "h-logic-01",
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      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
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      "correct": true,
      "grade": {
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        "inputPerM": 0.75,
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        "inputUsd": 0.0001035,
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    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
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      "status": "ok",
      "correct": true,
      "grade": {
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        "actual": {
          "P": "knave",
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      "output": "{\"P\": \"knave\", \"Q\": \"knight\", \"R\": \"knight\"}",
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        "promptTokens": 104,
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        "inputPerM": 0.75,
        "outputPerM": 3.75,
        "inputUsd": 7.8e-05,
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      "latencyMs": 3736
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    {
      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
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        "actual": 8,
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        "inputPerM": 0.75,
        "outputPerM": 3.75,
        "inputUsd": 6.525e-05,
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    {
      "taskId": "math-008",
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      "difficulty": "easy",
      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
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      "correct": true,
      "grade": {
        "correct": true,
        "actual": 0.03,
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        "inputPerM": 0.75,
        "outputPerM": 3.75,
        "inputUsd": 4.5e-05,
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      "listUsd": 0.00049125,
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    {
      "taskId": "extract-001",
      "category": "extraction",
      "difficulty": "easy",
      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
      "effort": "high",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": {
          "model": "Gemini Flash",
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          "outputPerM": 2.5,
          "context": 1048576
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        "missing": []
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      "output": "{ \"model\": \"Gemini Flash\", \"inputPerM\": 0.30, \"outputPerM\": 2.50, \"context\": 1048576 }",
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        "promptTokens": 95,
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        "inputPerM": 0.75,
        "outputPerM": 3.75,
        "inputUsd": 7.125e-05,
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      "listUsd": 0.0027225,
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      "latencyMs": 3642
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    {
      "taskId": "classify-001",
      "category": "classification",
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      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
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      "status": "ok",
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        "inputPerM": 0.75,
        "outputPerM": 3.75,
        "inputUsd": 4.575e-05,
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      "listUsd": 0.0008294999999999999,
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      "latencyMs": 2303
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    {
      "taskId": "summ-001",
      "category": "summarization",
      "difficulty": "easy",
      "pricingId": "gemini-3.6-flash",
      "openrouterId": "google/gemini-3.6-flash",
      "label": "Gemini 3.6 Flash",
      "effort": "high",
      "status": "ok",
      "correct": true,
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      "output": "The cheaper model solved extraction but failed arithmetic.",
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        "inputUsd": 5.85e-05,
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    {
      "taskId": "code-004",
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      "status": "ok",
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          "correct": 2,
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        "inputUsd": 5.7e-05,
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    {
      "taskId": "logic-009",
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      "openrouterId": "google/gemini-3.6-flash",
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      "correct": true,
      "grade": {
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        "inputUsd": 4.2e-05,
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      "taskId": "pricing-004",
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      "correct": true,
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      "output": "{ \"inputCost\": 0.001, \"outputCost\": 0.003, \"totalCost\": 0.004 }",
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        "inputPerM": 0.75,
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        "inputUsd": 5.5499999999999994e-05,
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        "inputPerM": 0.75,
        "outputPerM": 3.75,
        "inputUsd": 4.7249999999999997e-05,
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      "taskId": "h-math-02",
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        "inputUsd": 5.475e-05,
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      "taskId": "h-math-03",
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        "inputUsd": 4.7249999999999997e-05,
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      "label": "Gemini 3.6 Flash",
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        "inputUsd": 3.7500000000000003e-05,
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      "taskId": "h-math-05",
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      "label": "Gemini 3.6 Flash",
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      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": null,
        "detail": "expected 49"
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      "output": "The last two digits of \\(7^{2026}\\) are **49**.",
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        "inputUsd": 4.224e-05,
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        "visibleOutputUsd": 2.97e-05,
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      "listUsd": 7.194e-05,
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      "latencyMs": 2128
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    {
      "taskId": "h-math-04",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 115,
        "detail": "expected 115"
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      "output": "115",
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        "promptTokens": 50,
        "completionTokens": 2,
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        "visibleOutputTokens": 2,
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 3.3e-05,
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        "visibleOutputUsd": 3.96e-06,
        "totalUsd": 3.6960000000000005e-05
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      "listUsd": 3.6960000000000005e-05,
      "billedUsd": 5.6376e-05,
      "latencyMs": 902
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    {
      "taskId": "h-math-05",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 62,
        "detail": "expected 62"
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      "output": "62",
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      "usage": {
        "promptTokens": 50,
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 3.3e-05,
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        "visibleOutputUsd": 3.96e-06,
        "totalUsd": 3.6960000000000005e-05
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      "listUsd": 3.6960000000000005e-05,
      "billedUsd": 5.6376e-05,
      "latencyMs": 1925
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    {
      "taskId": "h-math-06",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "actual": 126,
        "detail": "expected 126"
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      "output": "126",
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        "visibleOutputTokens": 2,
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 3.894e-05,
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        "visibleOutputUsd": 3.96e-06,
        "totalUsd": 4.2900000000000006e-05
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      "listUsd": 4.2900000000000006e-05,
      "billedUsd": 2.0776905e-05,
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    {
      "taskId": "h-prob-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": true,
      "grade": {
        "correct": true,
        "detail": "pattern ^5\\s*/\\s*12$"
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      "output": "5/12",
      "finishReason": "stop",
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        "promptTokens": 62,
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        "visibleOutputTokens": 4,
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 4.092e-05,
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        "visibleOutputUsd": 7.92e-06,
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      "listUsd": 4.884e-05,
      "billedUsd": 6.18e-05,
      "latencyMs": 3007
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    {
      "taskId": "h-date-01",
      "category": "math",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "detail": "expected Wednesday"
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      "output": "Thursday",
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        "visibleOutputTokens": 2,
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 3.96e-05,
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        "visibleOutputUsd": 3.96e-06,
        "totalUsd": 4.356e-05
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      "listUsd": 4.356e-05,
      "billedUsd": 5.7e-05,
      "latencyMs": 1353
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    {
      "taskId": "h-pricing-01",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": 6603,
        "detail": "expected 936"
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      "output": "6603",
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        "promptTokens": 134,
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        "visibleOutputTokens": 3,
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 8.844000000000001e-05,
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        "visibleOutputUsd": 5.94e-06,
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      "listUsd": 9.438000000000001e-05,
      "billedUsd": 0.0001251,
      "latencyMs": 608
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    {
      "taskId": "h-pricing-02",
      "category": "pricing",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": 10200,
        "detail": "expected 1000"
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      "output": "10200",
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      "costBreakdown": {
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        "outputPerM": 1.98,
        "inputUsd": 9.570000000000001e-05,
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      "listUsd": 0.00010164000000000001,
      "billedUsd": 0.00015855,
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    {
      "taskId": "h-code-01",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": 67,
        "detail": "expected 23"
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      "output": "67",
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 6.93e-05,
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        "visibleOutputUsd": 3.96e-06,
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      "listUsd": 7.326e-05,
      "billedUsd": 9.75e-05,
      "latencyMs": 681
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    {
      "taskId": "h-code-02",
      "category": "coding",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "detail": "expected and"
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      "output": "hat",
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 6.27e-05,
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        "visibleOutputUsd": 3.96e-06,
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      "listUsd": 6.666e-05,
      "billedUsd": 8.85e-05,
      "latencyMs": 2401
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    {
      "taskId": "h-logic-01",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "detail": "expected EBDAC"
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      "output": "EABCD",
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      "costBreakdown": {
        "inputPerM": 0.66,
        "outputPerM": 1.98,
        "inputUsd": 9.24e-05,
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        "visibleOutputUsd": 5.94e-06,
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      "listUsd": 9.834e-05,
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    {
      "taskId": "h-logic-02",
      "category": "logic",
      "difficulty": "hard",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
      "effort": "none",
      "status": "ok",
      "correct": false,
      "grade": {
        "correct": false,
        "actual": {
          "P": "knave",
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          "R": "knave"
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        "missing": [
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            "key": "R",
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      "output": "{\"P\": \"knave\", \"Q\": \"knight\", \"R\": \"knave\"}",
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        "inputUsd": 7.194e-05,
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      "listUsd": 0.0001155,
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    {
      "taskId": "math-002",
      "category": "reasoning",
      "difficulty": "easy",
      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
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      "status": "ok",
      "correct": true,
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        "actual": 8,
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        "inputUsd": 5.4120000000000004e-05,
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    {
      "taskId": "math-008",
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      "label": "DeepSeek V4 Pro",
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        "correct": true,
        "actual": 0.03,
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    {
      "taskId": "extract-001",
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      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
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      "status": "ok",
      "correct": true,
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        "missing": []
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      "output": "{ \"model\": \"Gemini Flash\", \"inputPerM\": 0.30, \"outputPerM\": 2.50, \"context\": 1048576 }",
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        "inputUsd": 6.0060000000000004e-05,
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    {
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      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
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        "inputUsd": 4.29e-05,
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    {
      "taskId": "summ-001",
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      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
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      "status": "ok",
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      "label": "DeepSeek V4 Pro",
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      "correct": true,
      "grade": {
        "correct": true,
        "detail": "expected z-ai-glm-5.2"
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    {
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      "pricingId": "deepseek-v4-pro",
      "openrouterId": "deepseek/deepseek-v4-pro",
      "label": "DeepSeek V4 Pro",
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