Technologies

What is vllm built with?

vllm is a Python repo built with FastAPI and axum. It uses AI through OpenAI. It has 3,163 files and 2,199,772 written lines, with 2,299 test files.

Read on October 27, 2026, at commit 90309f6. Read it as markdown

vllm3,163 files

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Ordered by how much of its stack they share with vllm, then by stars.

Frequently asked questions

What language is vllm written in?
vllm is written in Python: 3,163 files and 2,199,772 written lines.
What framework does vllm use?
vllm is built with FastAPI and axum.
The proof: in package.json
Does vllm use AI?
Yes. vllm uses AI through OpenAI.
The proof: vllm/entrypoints/cli/openai.py, line 11
Does vllm have tests?
Yes. vllm has 2,299 test files.
Which repos have a stack like vllm's?
The ones that share most of its stack:langflow-ai/langflowharry0703/MoneyPrinterTurbodebpalash/VoiceStudio

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