Last refreshed 2026-11-13. Next refresh: weekly.
Why use Gemini 4 Hydrogen on OpenRouter?
OpenRouter offers Gemini 4 Hydrogen with pay-as-you-go pricing at $1.50/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Gemini 4 Hydrogen across 4 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: google/gemini-4-hydrogengoogle/gemini-4-hydrogenRequest example
google/gemini-4-hydrogen.Gotchas
- Use provider model ID "google/gemini-4-hydrogen", not the LLMReference slug "gemini-4-hydrogen".
Compare Gemini 4 Hydrogen Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Google AI Studio | $1.50 | $7.50 |
| GCP Vertex AI | $1.50 | $7.50 |
| OpenRouter | $1.50 | $7.50 |
| Vercel AI Gateway | $1.50 | $7.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $1.50 |
| Output tokens | $7.50 |
Capabilities
About Gemini 4 Hydrogen
Gemini 4 Hydrogen is Google DeepMind's fast, lower-cost Gemini 4 model, released generally available on November 12, 2026 in the Gemini API, Google AI Studio and Vertex AI (Gemini Enterprise Agent Platform). Google positions it for everyday coding, agentic workflows and multimodal work, alongside Gemini 4 Carbon for the hardest problems; its model card says it is adapted from Gemini 4 Carbon. It takes text, image, video, audio and PDF input and returns text, with a unified 1,048,576-token context window and long decode up to 1,048,576 output tokens (65,536 by default).