OpenRouter

OpenRouter is a single API for hundreds of AI models from many providers, with automatic fallbacks and one bill. It exposes an OpenAI-compatible chat completions endpoint plus TypeScript and Python SDKs and an agent SDK.

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OpenRouter at a glance

From official pages, checked Sep 29, 2026. Tap the arrow for each source.

Free tier: Yes
25+ free models, 20 requests/min and 50/day (1,000/day after $10 in credits).
Starting price: 5.5% fee on credits
Standard pay-as-you-go plan; model usage billed at provider rates.
Rate limit: 20 requests/min
Free (:free) models; 50/day under $10 purchased. No plan limit on paid models.
Official SDKs: PythonJavaScript / TypeScript
Trains on your data: No
OpenRouter doesn't train on inputs/outputs; some providers may, filterable in settings.
EU hosting: Yes
EU in-region routing via eu.openrouter.ai on Business and Enterprise plans.
Compliance: SOC 2GDPR

What you can build with OpenRouter

OpenRouterRecipeConfig

Call hundreds of AI models through one API with OpenRouter

Swap between OpenAI, Anthropic, Google and more by changing one model string. One key, one endpoint, TypeScript or Python.

Free tier: YesFrom 5.5% fee on credits

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OpenRouter at a glance

What you can build with OpenRouter

Call hundreds of AI models through one API with OpenRouter

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