SPECS
| context window | 1,048,576 tokens |
|---|---|
| max output | 943,718 tokens |
| price in / out | $1.5 / $7.5 per 1M tokens |
| weights | closed |
openrouter.ai/api/v1/models (as of 2026-11-12)
MODEL / GEMINI-4-HYDROGEN
Gemini 4 Hydrogen
Gemini 4 Hydrogen is the high-efficiency workhorse model of the Gemini 4 family from Google, built for high-throughput agentic workflows, coding and multi-model routing at lower cost and latency than.
model
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MACHINE-READABLE
GET /api/v1/resources/gemini-4-hydrogenOpen JSON ↗