head to head · open source
ComfyUI vs u-claw
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. u-claw has 1,756 stars, 417 forks, 9 open issues and last shipped 2 days ago. ComfyUI leads on adoption by 7,529% (133,963 vs 1,756 stars). ComfyUI is written in Python under GPL-3.0; u-claw is written in JavaScript under MIT. ComfyUI has attracted 12% as many forks as stars, u-claw 24%. ComfyUI was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ComfyUI | u-claw | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 1.8K |
| License | GPL-3.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 16K | ⑂ 417 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 134K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick u-claw if
- You want the u-claw feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and u-claw fits your workflow better
About ComfyUI
ComfyUI is a GPL 3.0 licensed Python and PyTorch node graph application, local API, and backend for running diffusion models across image, video, audio, 3D, and text workflows, built for visual professionals who want control over every model, parameter, and output, and for developers who embed those workflows into production pipelines.
read the full ComfyUI overview →
About u-claw
U Claw (虾盘) is an open source portable AI workspace that puts a configured OpenClaw assistant, Claude Code and Codex on a USB drive so they start on any computer without an installation step or a network connection.
read the full u-claw overview →
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Frequently asked questions
Is ComfyUI or u-claw more popular?
ComfyUI has 133,963 GitHub stars and u-claw has 1,756. ComfyUI has the larger community by that measure.
Are ComfyUI and u-claw free?
Both are open source. ComfyUI is licensed under GPL-3.0 and u-claw under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and u-claw?
ComfyUI is written in Python and u-claw in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ComfyUI or u-claw?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose u-claw if its feature set, stack or MIT licence fits better. Both are self-hostable.