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AI · March 11, 2026

Styx

AI gateway that auto-picks the right model for every request

What it does

Styx is an open-source AI gateway. Send "model": "styx:auto" and it picks the optimal model based on prompt complexity. Simple question → cheap model. Complex code → frontier model. 65+ models from OpenAI, Anthropic, Google, Mistral. Self-hosted with Docker in 5 minutes. Interactive setup wizard. Dashboard for costs and latency. Auto-failover between providers. Go router (<10ms overhead) + Python backend + Next.js dashboard. Apache 2.0.

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