Gemini 4 Carbon API Pricing
Gemini 4 Carbon costs $2.00 per 1M input tokens and $10.00 per 1M output tokens. These rates were last verified on .
Gemini 4 Carbon: current and scheduled rates
New rates take effect December 1, 2026. Exact transition time/timezone not specified by Google. Prices are USD per 1M tokens.
| Model | Rate period | Input | Cached | Output | Input / output vs current |
|---|---|---|---|---|---|
| Gemini 4 Carbon | Current introductory rate | $2.00 | $0.1 | $10.00 | Comparison baseline |
| Gemini 4 Carbon | Standard rate from December 1, 2026 | $4.00 | $0.2 | $20.00 | 100% higher / 100% higher |
Built from the scheduled rate card in the canonical pricing API.
Published rates and billing units
| Billing dimension | USD list price |
|---|---|
| Input / 1M tokens | $2.00 |
| Output / 1M tokens | $10.00 |
| Cached input / 1M tokens | $0.10 |
| From 2026-12-01: Input / 1M tokens | $4.00 |
| From 2026-12-01: Cached input / 1M tokens | $0.20 |
| From 2026-12-01: Output / 1M tokens | $20.00 |
Verified 2026-11-12 · Official source · Pricing methodology. Taxes, optional services and account-specific discounts are not included.
Introductory pricing ends 2026-11-30. Published future rates are listed separately above.
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
$3.08
Cached input is about 95% cheaper than standard input at list price.
Calculator for Gemini 4 Carbon
Enter your own input, output, and cached-token assumptions. This calculator is preloaded with only Gemini 4 Carbon, so the result stays focused on this model.
Input cost
$2.00
Output cost
$10.00
Total
$12.00
Estimates use the current listed rates, not future rates. Scheduled pricing effective December 1, 2026. Standard rate from December 1, 2026: $4 input / $0.2 cached input / $20 output per 1M tokens. Exact transition time/timezone not specified by the provider. Cache storage and other non-token fees are excluded.
Price history
We have fewer than two daily snapshots for this model, so the trend line is still forming.
One daily price snapshot so far (2026-11-11); the chart starts with the next one.
When to use Gemini 4 Carbon
Good fit
- high-volume routing, classification, extraction, summaries, and fallback traffic
- long-document and repository-scale prompts where context window matters
Be careful with
- blind migration without testing your own prompts, latency, and failure modes