SeeRepo
Draw my repo

Compare

transformers vs vllm

transformers and vllm share 3 technologies: FastAPI, Hugging Face, and psutil. Both are written in Python.

Read it as markdown

What they share and what sets them apart

huggingface

transformers

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

Python168.5kRead on November 4, 2026, at commit fd3cf01What is transformers built with?
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?

In common

Only in vllm

  • axum
  • gitdb
  • pyzmq
  • Tokio
  • starlette
  • Ray
  • AIOHTTP
  • tower
  • mkdocs-material
  • indicatif
  • NVIDIA
  • OpenAI
  • peft
  • quack-kernels
  • sentencepiece
  • torch
  • transformers
  • einops
  • safetensors
  • triton
  • torchvision
  • datasets
  • torchaudio
  • MCP
  • tokenizers
  • tiktoken
  • markdown
  • markupsafe
  • pymdown-extensions
  • pillow
  • image
  • jinja2
  • Pydantic
  • msgspec
  • jsonschema
  • pydantic-core
  • opentelemetry-api
  • python-json-logger
  • tracing
  • prometheus-client
  • tracing-subscriber
  • OpenTelemetry
  • opentelemetry-sdk
  • prometheus-fastapi-instrumentator

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
transformers1,811,568 lines written3,229 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.
transformers0.9% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, OpenHands, Codex, and Jules
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.
transformersLast push November 4, 202624,118 commits168,525 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.
transformers1,742 test files15.6% 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, transformers or vllm?
vllm, with 2,375,117 lines written; transformers has 1,811,568.

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

Which has more GitHub stars, transformers or vllm?
transformers, with 168,525 stars; vllm has 96,302.

The proof: huggingface/transformers on GitHub

Which has more tests, transformers or vllm?
vllm, with 2,419 test files; transformers has 1,742.

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

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

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

Which has more commits signed by AI, transformers 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 transformers, 0.9%.

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

What is your repo built with?

Paste your public repo and see it drawn.

Free, no account.

Or look inside SeeRepo's own →