What is OpenRouter?
OpenRouter gives you a single OpenAI-compatible API for models from OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek and many open-source hosts. It routes around outages and can pick the cheapest or fastest provider.
Rankings of real-world usage make it a useful barometer of which models developers actually use.
Key features
- Hundreds of models, one API
- OpenAI-compatible
- Provider fallback and routing
- Usage rankings
- Single billing
