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peft vs vllm

peft and vllm share 9 technologies: Hugging Face, peft, torch, transformers, safetensors, datasets, torchvision, pillow, and psutil. Both are written in Python.

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What they share and what sets them apart

huggingface

peft

🤗 PEFT: State-of-the-art Parameter-Efficient Fine-Tuning.

Python21.9kRead on November 5, 2026, at commit 574c7caWhat is peft built with?

Only in peft

In common

vllm-project

vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

Python96.3kRead on November 4, 2026, at commit 75f6761What is vllm built with?

Only in vllm

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
peft166,024 lines written272 code files
vllm2,375,117 lines written3,289 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
peft0.1% of its commits signed by AIWith Cursor and Claude Code
vllm12.8% of its commits signed by AIWith Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
peftLast push November 4, 20261,934 commits21,873 stars
vllmLast push November 4, 202624,593 commits96,302 stars
TestsThe files that test the code, and the share of code files a test imports.
peft75 test files0.7% of its code files have a test that imports them
vllm2,419 test files60.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, peft or vllm?
vllm, with 2,375,117 lines written; peft has 166,024.

The proof: vllm-project/vllm's code at commit 75f6761

Which has more GitHub stars, peft or vllm?
vllm, with 96,302 stars; peft has 21,873.

The proof: vllm-project/vllm on GitHub

Which has more tests, peft or vllm?
vllm, with 2,419 test files; peft has 75.

The proof: vllm-project/vllm's code at commit 75f6761

Which was updated more recently, peft or vllm?
Both got their last push on November 4, 2026.

The proof: huggingface/peft's commits on GitHub

Which has more commits signed by AI, peft or vllm?
vllm: an AI signed 12.8% of its commits, with Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code; in peft, 0.1%.

The proof: the commits each tool signed in vllm-project/vllm

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