Compare
ComfyUI vs langchain
ComfyUI and langchain share 4 technologies: AIOHTTP, SQLAlchemy, pillow, and Pydantic. Both are written in Python.
What they share and what sets them apart
Comfy-Org
ComfyUI
The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in the world.
Python144.9kRead on November 4, 2026, at commit 70bcb4eWhat is ComfyUI built with?langchain-ai
langchain
The agent engineering platform.
Python149kRead on November 4, 2026, at commit aa2528fWhat is langchain built with?In common
Only in ComfyUI
- alembic
- torch
- einops
- transformers
- tokenizers
- sentencepiece
- av
psutil
Only in langchain
- chromadb
OpenAI- LangChain
- langchain-openai
- LangGraph
- langchain-text-splitters
- langsmith
- tiktoken
- exa-py
- Ollama
groq
Side by side
ComfyUIlangchain
SizeLines written by people and agents, without generated ones; code files, without tests.
ComfyUI348,332 lines written731 code files
langchain426,036 lines written1,654 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.
ComfyUI0.3% of its commits signed by AIWith Amp, Claude Code, and GitHub Copilot
langchain0.3% of its commits signed by AIWith GitHub Copilot, Claude Code, and Gemini CLI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ComfyUILast push November 4, 20266,036 commits144,948 stars
langchainLast push November 4, 202617,017 commits148,995 stars
TestsThe files that test the code, and the share of code files a test imports.
ComfyUI280 test files21.8% of its code files have a test that imports them
langchain895 test files16.4% of its code files have a test that imports them
Frequently asked questions
Which is bigger, ComfyUI or langchain?
langchain, with 426,036 lines written in 1,654 code files; ComfyUI has 348,332 in 731.
Which has more GitHub stars, ComfyUI or langchain?
langchain, with 148,995 stars; ComfyUI has 144,948.
The proof: langchain-ai/langchain on GitHub
Which has more tests, ComfyUI or langchain?
langchain, with 895 test files; ComfyUI has 280.
Which was updated more recently, ComfyUI or langchain?
Both got their last push on November 4, 2026.
The proof: Comfy-Org/ComfyUI's commits on GitHub
Which has more commits signed by AI, ComfyUI or langchain?
In both, an AI signed 0.3% of their commits.
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