OpenRouter serves as a unified interface for accessing large language models (LLMs) from over 60 providers, including major labs like OpenAI, Anthropic, and Google. It offers a single API endpoint compatible with OpenAI's SDK, enabling developers to seamlessly switch between models without code changes. Key features include:
- Unified API: Access 300+ models through one interface with full OpenAI compatibility
- Higher Availability: Distributed infrastructure with automatic fallback to maintain uptime
- Cost Efficiency: Competitive pricing with edge deployment adding only ~15ms latency
- Custom Data Policies: Fine-grained control over which models and providers process your data
- BYOK Support: 1 million free Bring Your Own Key requests per month
Target users include developers, AI researchers, and enterprises looking to leverage multiple AI models while minimizing integration complexity and maximizing reliability.



