> ## Documentation index
> Fetch the complete documentation index at: https://arize.com/llms.txt
> Ask it with GET https://arize.com/ask?q=<keywords or question>. Short keywords rank best.
> Use these 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="/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>