Compare
ComfyUI vs verl
ComfyUI and verl share 3 technologies: einops, transformers, and av. 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?verl-project
verl
verl/HybridFlow: A Flexible and Efficient RL Post-Training Framework
Python24.1kRead on November 4, 2026, at commit 7454326What is verl built with?In common
- einops
- transformers
- av
Only in ComfyUI
Only in verl
- FastAPI
pyarrow
uvicorn
- accelerate
- datasets
- pylatexenc
Side by side
ComfyUIverl
SizeLines written by people and agents, without generated ones; code files, without tests.
ComfyUI348,332 lines written731 code files
verl187,062 lines written359 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
verl9.2% of its commits signed by AIWith Gemini CLI, Claude Code, Codex, Cursor, Devin, GitHub Copilot, OpenHands, and CodeRabbit
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ComfyUILast push November 4, 20266,036 commits144,948 stars
verlLast push November 4, 20263,182 commits24,128 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
verl304 test files54.9% of its code files have a test that imports them
Frequently asked questions
Which is bigger, ComfyUI or verl?
ComfyUI, with 348,332 lines written; verl has 187,062.
The proof: Comfy-Org/ComfyUI's code at commit 70bcb4e
Which has more GitHub stars, ComfyUI or verl?
ComfyUI, with 144,948 stars; verl has 24,128.
The proof: Comfy-Org/ComfyUI on GitHub
Which has more tests, ComfyUI or verl?
verl, with 304 test files; ComfyUI has 280.
The proof: verl-project/verl's code at commit 7454326
Which was updated more recently, ComfyUI or verl?
Both got their last push on November 4, 2026.
The proof: verl-project/verl's commits on GitHub
Which has more commits signed by AI, ComfyUI or verl?
verl: an AI signed 9.2% of its commits, with Gemini CLI, Claude Code, Codex, Cursor, Devin, GitHub Copilot, OpenHands, and CodeRabbit; in ComfyUI, 0.3%.
The proof: the commits each tool signed in verl-project/verl
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