> ## 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.

# vLLM

> vLLM is a high-throughput inference and serving engine for LLMs with an OpenAI-compatible server. Use Phoenix to trace vLLM server spans and client calls.

> **[vLLM](https://docs.vllm.ai/)**
>
> **Website**: [](https://docs.vllm.ai/)

> **[vLLM Tracing](https://arizeai-433a7140.mintlify.site/docs/phoenix/integrations/llm-providers/vllm/vllm-tracing.md)**