> ## 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.

# OpenRouter

> OpenRouter is a platform that connects developers to multiple AI models through a unified API, making it easier to compare, switch between, and integrate different models.

<img noZoom width="400px" style={{margin: "0 auto", borderRadius: "10px"}} src="https://storage.googleapis.com/arize-assets/OpenRouter%20Dark.png" className="hidden dark:block" />

<img noZoom width="400px" style={{margin: "0 auto", borderRadius: "10px"}} src="https://mintlify.s3.us-west-1.amazonaws.com/arizeai-433a7140/images/openrouter-light.png" className="block dark:hidden" />

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

<Columns cols={2}>
  <Card img="https://storage.googleapis.com/arize-assets/gitbook_openrouter.png" title="OpenRouter Tracing" href="/docs/phoenix/integrations/llm-providers/openrouter/openai-tracing" />
</Columns>