OpenRouter
Unified API gateway providing access to 200+ LLMs from OpenAI, Anthropic, Google, and open-source providers in one endpoint.
Features
- Single OpenAI-compatible API for 200+ models
- Automatic fallback to backup models on failure
- Model routing by cost, speed, or capability
- Free tier with select open-source models
- Real-time pricing comparison across providers
OpenRouter is an API gateway that aggregates over 200 large language models from providers including OpenAI, Anthropic, Google, Meta, Mistral, and many open-source hosts into a single, OpenAI-compatible API endpoint. Developers can switch between models with a one-line change, implement automatic fallback routing, and compare costs across providers in real time. Many open-source models are available for free.
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