OpenRouter: One API for Hundreds of LLMs
OpenRouter is a unified API gateway to hundreds of models from OpenAI, Anthropic, Google, Meta and more, with automatic routing and cost control.
OpenRouter is an LLM aggregation gateway that gives you one unified API to hundreds of models from many providers. Switching models means changing one model name — no separate signups or keys to maintain.
Key Features
- Unified OpenAI-compatible API across all supported models
- Broad catalog: OpenAI, Anthropic, Google, Meta, Mistral and open-source models
- Automatic routing and failover when a provider is down
- Built-in usage, balance and cost dashboards
Highlights
- Massively simplifies multi-model integration
- Easy model comparison and cost-based selection
- Transparent pricing per provider
Who It's For
AI application developers, product teams needing model flexibility, and researchers benchmarking models.
