head to head · open source
ComfyUI vs nonebot2
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. nonebot2 has 7,722 stars, 662 forks, 39 open issues and last shipped today. ComfyUI leads on adoption by 1,635% (133,963 vs 7,722 stars). ComfyUI is written in Python under GPL-3.0; nonebot2 is written in Python under MIT. ComfyUI has attracted 12% as many forks as stars, nonebot2 9%. nonebot2 was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (python), so they are genuine substitutes rather than adjacent tools.
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 | nonebot2 | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 7.7K |
| License | GPL-3.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 16K | ⑂ 662 |
| 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 nonebot2 if
- You want the nonebot2 feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and nonebot2 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 nonebot2
NoneBot2 is a cross platform, asynchronous chatbot framework written in Python, built for developers who want one codebase to serve bots across many chat platforms instead of rewriting integration glue for each one.
read the full nonebot2 overview →
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Frequently asked questions
Is ComfyUI or nonebot2 more popular?
ComfyUI has 133,963 GitHub stars and nonebot2 has 7,722. ComfyUI has the larger community by that measure.
Are ComfyUI and nonebot2 free?
Both are open source. ComfyUI is licensed under GPL-3.0 and nonebot2 under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and nonebot2?
ComfyUI is written in Python and nonebot2 in Python. 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 nonebot2?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose nonebot2 if its feature set, stack or MIT licence fits better. Both are self-hostable.