Styx

Self-hosted AI gateway that routes requests across OpenAI, Anthropic, Google, and Mistral through one universal endpoint.

Styx is an open-source AI gateway that sits between your application and AI providers. Send requests to OpenAI, Anthropic, Google, or Mistral through one OpenAI-compatible endpoint. Bring your own API keys, self-host on your infrastructure, and get full visibility into every request. Features intelligent model routing with styx:auto, semantic caching, auto-failover between providers, and built-in dashboard for tracking requests, costs, and latency.