Gemini 4 Carbon

Gemini 4 Carbon is Google's most capable reasoning model for complex software engineering, math and science, and autonomous multi-step agents, with up to 1M output tokens.

1,048,576 context
Released November 10, 2026
Starting at $2.00/M (50% off) input tokens
Starting at $10.00/M (50% off) output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
Web Search
Batch API
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50% offthis model via Google Vertex AI—

All Providers for Gemini 4 Carbon

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Context: 1.0M50% off
Input
$4$2
/M tokens
Cache Read
$0.2$0.1
/M tokens
Output
$20$10
/M tokens
Cache Write 5m
$0.375$0.1875
/M tokens
Cache Write 1h
$0.375$0.1875
/M tokens
+ $0.014$0.007 per search
Get Started
Context: 1.0M50% off
Input
$4$2
/M tokens
Cache Read
$0.2$0.1
/M tokens
Output
$20$10
/M tokens
Cache Write 5m
$0.375$0.1875
/M tokens
Cache Write 1h
$0.375$0.1875
/M tokens
+ $0.014$0.007 per search
Get Started

Frequently asked questions

What is Gemini 4 Carbon?

Gemini 4 Carbon is Google's most capable reasoning model for complex software engineering, math and science, and autonomous multi-step agents, with up to 1M output tokens. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Gemini 4 Carbon cost?

Pricing for Gemini 4 Carbon on LLM Gateway starts at $4.00 per million input tokens and $20.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Gemini 4 Carbon?

Gemini 4 Carbon supports a context window of up to 1,048,576 tokens on its largest provider deployment.

Which providers serve Gemini 4 Carbon?

Gemini 4 Carbon is served by Google Vertex AI, Google AI Studio through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Gemini 4 Carbon support tool calling and structured outputs?

Yes. Gemini 4 Carbon supports both tool (function) calling and strict JSON output schema (upstream-enforced) through LLM Gateway.

When was Gemini 4 Carbon released?

Gemini 4 Carbon was released on November 10, 2026.