OpenRouter

OpenRouter is a unified API gateway and model marketplace that aggregates access to hundreds of AI models across global hosting providers. Developers query open-source and proprietary foundation models through a single OpenAI-compatible endpoint. The platform automatically manages load balancing, provides outage fallback protection, and normalizes output JSON formats.

Ecosystem functionFunctions as a universal API gateway and traffic switchboard that aggregates model access and provides dynamic provider failover.

Business modelPercentage margin on downstream API volume