Gemini 4 Carbon API pricing
Google Gemini charges $2 per million input tokens and $10 per million output tokens for Gemini 4 Carbon (gemini-4-carbon), and $0.1 per million cached input tokens. A typical request of 1,000 input and 500 output tokens costs $0.007, or $0.0035 through the batch API.
Gemini 4 Carbon price per million tokens
| Token type | Standard | Batch API |
|---|---|---|
| Input | $2 | $1 |
| Cached input | $0.1 | $0.05 |
| Output | $10 | $5 |
API model id: gemini-4-carbon. Gemini 4 Carbon supports a 1.05M-token context window, up to 1.05M output tokens, image input, tool calling and reasoning.
What Gemini 4 Carbon costs per request
| Request | 1 request | 1,000 requests | 1M requests |
|---|---|---|---|
| Short chat message (300 in, 200 out) | $0.0026 | $2.60 | $2,600.00 |
| Typical request (1K in, 500 out) | $0.007 | $7.00 | $7,000.00 |
| Long document summary (20K in, 1K out) | $0.05 | $50.00 | $50,000.00 |
| Coding agent step (50K in, 2K out) | $0.12 | $120.00 | $120,000.00 |
At standard rates. A token is about 4 characters of English text, so 1,000 tokens is roughly 750 words. Google Gemini counts tokens with its own tokenizer, so the same text can be a different number of tokens.
How Gemini 4 Carbon compares
- For a typical request, Gemini 4 Carbon is cheaper than 27% of the other models on apicost.app.
- GPT-6 Sol from OpenAI costs $2 input and $10 output per million tokens, so a typical request is $0.007: about the same price as Gemini 4 Carbon.
- Claude Sonnet 5 from Anthropic costs $2 input and $10 output per million tokens, so a typical request is $0.007: about the same price as Gemini 4 Carbon.
- DeepSeek V4 Pro from DeepSeek costs $1.32 input and $3.96 output per million tokens, so a typical request is $0.0033: 2.1× cheaper than Gemini 4 Carbon.
Gemini 4 Carbon price history
Gemini 4 Carbon has cost $2 per million input tokens and $10 per million output tokens since it was added to the price list on November 14, 2026.
Every LLM API price increase, cut, new and retired model, dated: LLM API price changes.
Models with a similar price
| Model | Provider | Input / 1M | Cached input / 1M | Output / 1M | Typical request |
|---|---|---|---|---|---|
| GPT-5 | OpenAI | $1.25 | $0.125 | $10 | $0.00625 |
| GPT-5.1 | OpenAI | $1.25 | $0.125 | $10 | $0.00625 |
| GPT-6 Sol | OpenAI | $2 | $0.2 | $10 | $0.007 |
| GPT-6.1 Sol | OpenAI | $2 | $0.1 | $10 | $0.007 |
| Claude Sonnet 5 | Anthropic | $2 | $0.2 | $10 | $0.007 |
| Claude Sonnet 5.5 | Anthropic | $2 | $0.1 | $10 | $0.007 |
| Gemini 4 Argon | Google Gemini | $2 | $0.1 | $10 | $0.007 |
| GPT-4o | OpenAI | $2.5 | $1.25 | $10 | $0.0075 |
Other Google Gemini models
- Gemini 2.5 Flash $0.3 / $2.5
- Gemini 2.5 Flash Lite $0.1 / $0.4
- Gemini 2.5 Pro $1.25 / $10
- Gemini 3 Flash Preview $0.5 / $3
- Gemini 3.1 Flash Lite $0.25 / $1.5
- Gemini 3.1 Pro Preview $2 / $12
- Gemini 3.5 Flash $1.5 / $9
- Gemini 3.5 Flash Lite $0.3 / $2.5
- Gemini 3.6 Flash $0.75 / $3.75
- Gemini 3.7 Flash $0.75 / $3.75
- Gemini 3.8 Flash $0.75 / $3.75
- Gemini 4 Argon $2 / $10
- Gemini 4 Hydrogen $1.5 / $7.5
- Gemini Omni 1.1 Flash $1.5 / $9
- Gemini Omni 1.2 Flash $1.5 / $9
Every Google Gemini model side by side, with batch, caching and long-context prices: Gemini API pricing (Google). Ways to pay less: batch API, prompt caching, the cheapest models.
Questions and answers
How much does the Gemini 4 Carbon API cost?
Google Gemini charges $2 per million input tokens and $10 per million output tokens for Gemini 4 Carbon (gemini-4-carbon), and $0.1 per million cached input tokens. A typical request of 1,000 input and 500 output tokens costs $0.007, or $0.0035 through the batch API.
Has the Gemini 4 Carbon API price changed?
No. Gemini 4 Carbon has cost $2 per million input tokens and $10 per million output tokens since it was added to the price list on November 14, 2026.
Is there a cheaper way to use Gemini 4 Carbon?
Yes. The Google Gemini batch API runs requests within 24 hours for $1 per million input tokens and $5 per million output tokens. Prompt caching lowers the price of repeated input to $0.1 per million tokens.
What is the context window of Gemini 4 Carbon?
Gemini 4 Carbon accepts up to 1,048,576 input tokens, roughly 786,000 words of English, and writes up to 1,048,576 output tokens per response. Filling the whole context window once costs $2.10 in input tokens.
Is Gemini 4 Carbon cheaper than GPT-6 Sol?
They cost about the same. GPT-6 Sol from OpenAI costs $2 input and $10 output per million tokens, so a typical request is $0.007: about the same price as Gemini 4 Carbon.
Source: Google Gemini pricing, via the LiteLLM price list.