AI Recommendation
Should you use Gemini 4 Hydrogen?
Gemini 4 Hydrogen is listed for chat workloads and supports a 1.0M context window.
Use it when Google Gemini's free tier is enough for evaluation, demos, or light production traffic.
Gemini 4 Hydrogen Free API on Google Gemini
Free API VerifiedGoogle's Gemini 4 model for everyday coding and agentic workflows, with four thinking levels and a 1M-token context window
Free APIOpenAI compatibleReasoningTool callingPDF inputVisionAudio
API Details
Copy-ready connection details
Base URL
https://generativelanguage.googleapis.com/v1beta Model ID
gemini-4-hydrogen API format Google Gemini native generateContent + OpenAI Chat Completions
Technical Details
Gemini 4 Hydrogen specifications
Context window 1.0M
Max output 66K
Status Online
Family gemini
Knowledge cutoff 2026-03
Released Nov 12, 2026
Last updated Nov 12, 2026
Free listing since Nov 13, 2026
Input text, image, video, audio, pdf
Output text
Capabilities reasoning, tool calling, file attachments
External benchmark references
| Benchmark | Score | Metric | Date |
|---|---|---|---|
| SWE-sweep | 13.5 | % | Not listed |
| Terminal-Bench | 57 | cheating-adjusted | Not listed |
| Agents' Last Exam | 71.6 | score | Not listed |
| AutomationBench-AA | 76.1 | % | Not listed |
Best for
- Chat
Strengths & Weaknesses
Strengths
- Long context window
- Reasoning mode listed
- Tool calling support
- Live API verification available
Watch outs
- Free-tier rate limits apply
Benchmark Overview
Benchmark signals for Gemini 4 Hydrogen
Intelligence General reasoning and instruction following
53.9/100 Speed Observed generation speed
261 tok/s Context Maximum listed context window
1.0M Pricing
Gemini 4 Hydrogen pricing per 1M tokens
Input $1.5 per 1M tokens
Output $7.5 per 1M tokens
Access Available Google Gemini
Rate limit Varies by model and account provider policy
Availability
Gemini 4 Hydrogen availability by provider
We only found this Gemini 4 Hydrogen listing on Google Gemini in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Gemini 4 Hydrogen | Free tier | 1.0M | Native | Varies by model and account |
Compare
Gemini 4 Hydrogen alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| Gemini 3.8 Flash | Google Gemini | 1.0M | Free tier |
| Gemini 3.6 Flash | Google Gemini | 1.0M | Free tier |
| Gemini 3.5 Flash-Lite | Google Gemini | 1.0M | Free tier |
| Gemini 3.1 Flash-Lite | Google Gemini | 1.0M | Free tier |
| Gemini 2.5 Flash | Google Gemini | 1.0M | Free tier |
Typical Use Cases
Gemini 4 Hydrogen use cases
Chat
Gemini 4 Hydrogen is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
FAQ
Gemini 4 Hydrogen free API FAQ
Is Gemini 4 Hydrogen free to use?
Gemini 4 Hydrogen is listed with free API access on Google Gemini, subject to the provider's quota and account policy.
What is the Gemini 4 Hydrogen model ID?
The model ID shown in this catalog is gemini-4-hydrogen.
What are the Gemini 4 Hydrogen free tier rate limits on Google Gemini?
The listed free tier limit is Varies by model and account. Limits can change per account tier, so confirm against the provider dashboard.
What context window does Gemini 4 Hydrogen support?
The listed context window is 1.0M tokens with up to 66K output tokens.
More about Gemini 4 Hydrogen
Free Gemini 4 Hydrogen API.
For API keys, setup steps, and provider-level limits, see the Google Gemini provider page.