Gemini 4 Hydrogen

Gemini 4 Hydrogen brings fast, efficient intelligence for everyday coding and agentic workflows, with a 1M-token context window and up to 1M output tokens.

1,048,576 context
Released November 13, 2026
Starting at $1.50/M input tokens
Starting at $7.50/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
Web Search
Batch API
No ratings yetSign in to rate

All Providers for Gemini 4 Hydrogen

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

Context: 1.0M
Input
$1.5
/M tokens
Cache Read
$0.075
/M tokens
Output
$7.5
/M tokens
+ $0.014 per search
Get Started
Context: 1.0M
Input
$1.5
/M tokens
Cache Read
$0.075
/M tokens
Output
$7.5
/M tokens
+ $0.014 per search
Get Started

Frequently asked questions

What is Gemini 4 Hydrogen?

Gemini 4 Hydrogen brings fast, efficient intelligence for everyday coding and agentic workflows, with a 1M-token context window and 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 Hydrogen cost?

Pricing for Gemini 4 Hydrogen on LLM Gateway starts at $1.50 per million input tokens and $7.50 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 Hydrogen?

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

Which providers serve Gemini 4 Hydrogen?

Gemini 4 Hydrogen 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 Hydrogen support tool calling and structured outputs?

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

When was Gemini 4 Hydrogen released?

Gemini 4 Hydrogen was released on November 13, 2026.