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unilm vs vllm

unilm and vllm share 14 technologies: FastAPI, OpenAI, torch, transformers, torchvision, datasets, sentencepiece, torchaudio, tokenizers, einops, triton, tiktoken, peft, and pillow. Both are written in Python.

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What they share and what sets them apart

microsoft

unilm

Large-scale Self-supervised Pre-training Across Tasks, Languages, and Modalities

Python22.2kRead on November 5, 2026, at commit 31c5b90What is unilm built with?

Only in unilm

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.
unilm769,203 lines written2,555 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.
unilm0% of its commits signed by AI
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.
unilmLast push September 21, 20261,092 commits22,240 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.
unilm163 test files5.1% 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, unilm or vllm?
vllm, with 2,375,117 lines written; unilm has 769,203.

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

Which has more GitHub stars, unilm or vllm?
vllm, with 96,302 stars; unilm has 22,240.

The proof: vllm-project/vllm on GitHub

Which has more tests, unilm or vllm?
vllm, with 2,419 test files; unilm has 163.

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

Which was updated more recently, unilm or vllm?
vllm: its last push was on November 4, 2026, and unilm's on September 21, 2026.

The proof: vllm-project/vllm's commits on GitHub

Which has more commits signed by AI, unilm 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.

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

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