> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# OrcaRouter

> OrcaRouter is an OpenAI-compatible AI gateway that routes requests across 200+ models. Use Phoenix tracing to observe which upstream model served each request.

<img noZoom width="400px" style={{margin: "0 auto", borderRadius: "10px"}} src="https://www.orcarouter.ai/orca-logo-classic.png" className="hidden dark:block" />

<img noZoom width="400px" style={{margin: "0 auto", borderRadius: "10px"}} src="https://www.orcarouter.ai/orca-logo-classic.png" className="block dark:hidden" />

<Card title="OrcaRouter" href="https://www.orcarouter.ai/" icon="globe" horizontal>
  **Website**: [](https://www.orcarouter.ai/)
</Card>

<Columns cols={2}>
  <Card img="https://www.orcarouter.ai/orca-logo-classic.png" title="OrcaRouter Tracing" href="/docs/phoenix/integrations/llm-providers/orcarouter/openai-tracing" />
</Columns>