Gemini 4 Carbon API pricing per million tokens
Gemini 4 Carbon costs $2 per million input tokens and $10 per million output, with a 1.05M context window.
AIGROW credit covers Claude Opus 5.5, Claude Fable 5.2, Claude Fable 5.1, GPT-6 Astra, Claude Sonnet 5.5, GPT-6.1 Sol, GPT-6.1 Terra, Grok 4.7 and Gemini 4 Argon. Gemini 4 Argon below list price
$25 a month brings $110 of API credit and cancels any time; $25 once buys $100. US dollars per million tokens, standard rate, shortest context band. Number 2 of 256 on the Epoch Capabilities Index by Epoch AI, data of 12 November 2026. CC BY 4.0
- 1,000 support replies
- $10.00
- Cached input
- $0.10
- Context window
- 1,048,576 tokens
- Released
- 10 Nov 2026
- Weights
- Closed weights
From Google’s own pages, 12 November 2026.
Gemini 4 Carbon costs $2 per million input tokens and $10 per million output tokens on Google’s own API, and $0.10 for cached input. At those prices 1,000 support replies cost $10.00, the 19th most expensive of 49 priced models on our list.
AIGROW API credit per million input / output tokens: Claude Opus 5.5 $1.60 / $8.00, Claude Fable 5.2 $3.20 / $16.00, Claude Fable 5.1 $4.00 / $20.00, GPT-6 Astra $2.50 / $12.50, Claude Sonnet 5.5 $0.80 / $4.00, GPT-6.1 Sol $0.50 / $2.50, GPT-6.1 Terra $0.25 / $1.25, Grok 4.7 $0.50 / $1.50 and Gemini 4 Argon $1.00 / $5.00. That is up to 75% below list price. See API credit
What a job costs
Three jobs, 1,000 runs of each, at the list price above, and where each puts Gemini 4 Carbon among the 49 models with a list price.
| Job | 1,000 runs | Among 49 |
|---|---|---|
| Support reply3,000 in, 400 out. | $10.00 | 19th most expensive |
| Document summary25,000 in, 1,000 out. | $60.00 | 19th most expensive |
| Agent task80,000 in (70,000 cached), 3,000 out. | $57.00 | 21st most expensive |
The token counts are ours, chosen to look like real work; the prices are Google’s. All three jobs stay under 100,000 tokens a request, below every long-context surcharge on the list.
The small print
What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.
Launch price through 2026-11-30; from 2026-12-01 it becomes $4 / $20, cached $0.20. Output includes thinking tokens. Implicit caching only. No long-context premium. Batch and Flex 50% off; Priority $3.60 / $18. Not on the Free tier. Max output 65,536, or up to 1,048,576 with long decode.
Gemini 4 Carbon against the models it is weighed with
Each comparison puts both list prices side by side and costs the same three jobs on each.
- vs Claude Fable 5.2
- The models Anthropic and Google offer for their hardest work, with Carbon at a quarter of the Fable price until December, then half.
- vs Gemini 4 Argon
- Google's two Gemini 4 models at the same list price, with Argon the faster one that spends fewer tokens per turn.
- vs GPT-6 Astra
- Google's and OpenAI's flagships, with Carbon at a fifth of the Astra price until December and two fifths after.
- vs Claude Opus 5.5
- Google's most capable model against Anthropic's default flagship, at half the Opus price until December, when the two match.
Other Google models
| Model | Input | Output | Context | 1,000 replies |
|---|---|---|---|---|
| Gemini 3.1 Flash-LiteGoogleNewer model: Gemini 3.5 Flash-Lite | $0.25 | $1.50 | 1.05M | $1.35 |
| Gemini 3.5 Flash-LiteGoogle | $0.30 | $2.50 | 1.05M | $1.90 |
| Gemini 3 FlashGoogleNewer model: Gemini 3.8 Flash | $0.50 | $3.00 | 1.05M | $2.70 |
| Gemini 3.8 FlashGoogle | $0.75 | $3.75 | 1.05M | $3.75 |
| Gemini 4 ArgonGoogle | $2.00 | $10.00 | 1.05M | $10.00 |
| Gemini 3.1 Pro (preview)GoogleNewer model: Gemini 4 Argon | $2.00 | $12.00 | 1.05M | $10.80 |
Where the price comes from
Read on 12 November 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.
Compare Gemini 4 Carbon with 53 other models
The price list sets every model’s input and output price side by side, with what a support reply, a document summary and an agent task cost on each.
Prices checked 12 November 2026 · See them by release date