Anthropicmid range

Claude Sonnet 5 API Pricing

Claude Sonnet 5 costs $2.00 per 1M input tokens and $10.00 per 1M output tokens. These rates were last verified on .

Moving off Claude Sonnet 5?

Newer version: Claude Sonnet 5.5 · 0% cheaper (provider has not retired Claude Sonnet 5)

Same token usage, 3:1 input:output, standard list rates · excludes cache, batch and fast mode. Not a quality or compatibility claim. Full calculator →

Claude Sonnet pricing history

USD · units shown per rate · all Claude models →
● Sonnet
  1. Input: $2.00 / 1M tokensOutput: $10.00 / 1M tokens
    Rate first observed
    Latest
    Verified 2026-11-12
  2. Input: $2.00 / 1M tokensOutput: $10.00 / 1M tokens
    Rate first observed
    Available · older version
    Verified 2026-11-12
  3. Input: $3.00 / 1M tokensOutput: $15.00 / 1M tokens
    Rate first observed
    Available · older version
    Verified 2026-11-12
  4. Input: $3.00 / 1M tokensOutput: $15.00 / 1M tokens
    Rate first observed
    Deprecated · 2026-11-30
    Verified 2026-11-12
  5. Input: $3.00 / 1M tokensOutput: $15.00 / 1M tokens
    Rate first observed
    Shut down
    Verified 2026-11-12

Newest first. Release dates describe the model, not when today's rates took effect. Observations show when we recorded rates, not launch pricing. Image and text token meters are separate; no fixed image-token savings mix is assumed. How we verify

Published rates and billing units

Billing dimensionUSD list price
Input / 1M tokens$2.00
Cached input / 1M tokens$0.20
Output / 1M tokens$10.00
Cache write / 1M tokens$2.50
Cache write (1 hour) / 1M tokens$4.00
Batch: Input / 1M tokens$1.00
Batch: Output / 1M tokens$5.00
Batch: Cached input / 1M tokens$0.10
Batch: Cache write / 1M tokens$1.25
Batch: Cache write (1 hour) / 1M tokens$2.00

Verified 2026-11-12 · Official source · Pricing methodology. Taxes, optional services and account-specific discounts are not included.

$2 input / $0.20 cached input / $10 output per 1M is the standard price; Anthropic cancelled the previously scheduled 2026-09-01 increase.

Cost examples

These examples use published list prices only. They exclude taxes, enterprise discounts, minimum charges, retries, batch discounts, and provider-specific billing rules.

1M input + 1M output

$12.00

A direct per-million comparison against every other text model.

100K input + 25K output

$0.45

A compact chat, summarization, or analysis workload.

10M input + 2M output

$40.00

A monthly production estimate for heavier RAG or agent traffic.

75% cached input + 250K output

$3.15

Cached input is about 90% cheaper than standard input at list price.

We tested this model at different reasoning-effort levels in a Labs experiment →

Calculator for Claude Sonnet 5

Enter your own input, output, and cached-token assumptions. This calculator is preloaded with only Claude Sonnet 5, so the result stays focused on this model.

Input cost

$2.00

Output cost

$10.00

Total

$12.00

Price history

No list-price movement across 126 daily snapshots from 2026-07-09 to 2026-11-11.

When to use Claude Sonnet 5

Good fit

  • code generation, debugging, and agentic development work where output quality affects engineering time
  • reasoning-heavy prompts, planning, analysis, and multi-step tool use
  • long-document and repository-scale prompts where context window matters

Be careful with

  • blind migration without testing your own prompts, latency, and failure modes

Alternatives to compare