head to head · open source
ComfyUI vs nanobot
ComfyUI has 133,792 GitHub stars, 15,838 forks, 4,894 open issues and last shipped yesterday. nanobot has 48,325 stars, 8,539 forks, 775 open issues and last shipped yesterday. ComfyUI leads on adoption by 177% (133,792 vs 48,325 stars). ComfyUI is written in Python under GPL-3.0; nanobot is written in Python under MIT. ComfyUI has attracted 12% as many forks as stars, nanobot 18%. 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 | nanobot | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 48K |
| License | GPL-3.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 16K | ⑂ 8.5K |
| 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 nanobot if
- You want the nanobot feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and nanobot 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 nanobot
nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python, aimed at individual developers and small teams who want to run their own agent through a browser WebUI, a terminal, or chat apps instead of renting a hosted assistant.
read the full nanobot overview →
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Frequently asked questions
Is ComfyUI or nanobot more popular?
ComfyUI has 133,792 GitHub stars and nanobot has 48,325. ComfyUI has the larger community by that measure.
Are ComfyUI and nanobot free?
Both are open source. ComfyUI is licensed under GPL-3.0 and nanobot under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and nanobot?
ComfyUI is written in Python and nanobot 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 nanobot?
Choose ComfyUI if you want the larger community (133,792 stars) or its GPL-3.0 licence terms. Choose nanobot if its feature set, stack or MIT licence fits better. Both are self-hostable.