head to head · open source
ComfyUI vs nanobot
ComfyUI has 144,658 GitHub stars, 17,237 forks, 4,894 open issues and last shipped yesterday. nanobot has 49,766 stars, 8,713 forks, 775 open issues and last shipped yesterday. ComfyUI leads on adoption by 191% (144,658 vs 49,766 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 | ★ 145K | ★ 50K |
| License | GPL-3.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 17K | ⑂ 8.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 145K 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 The most powerful and modular AI engine for content creation. [![Website][website shield]][website url] [![Dynamic JSON Badge][discord shield]][discord url] [![Twitter][twitter shield]][twitter url] [![Matrix][matrix shield]][matrix url] [![][github release shield]][github release link] [![][github release date shield]][github release link] [![][github downloads shield]][github downloads link] [![][github downloads latest shield]][github downloads link] [matrix shield]: [matrix url]: [website shield]: [website url]: [discord shield]: [discord url]: [twitter shield]: [twitter url]: [github release…
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About nanobot
English 简体中文 繁體中文 Español Français Bahasa Indonesia 日本語 한국어 Русский Tiếng Việt Discord · X · WeChat / Feishu nanobot 🐈 nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python. It runs in a WebUI, terminal, or chat apps and combines tools, long term memory, MCP integrations, model routing, multi agent delegation, scheduled automation, and an OpenAI compatible API in a small, readable core. Start Here What can nanobot do? nanobot is a self hosted personal AI agent runtime. It can: run in a browser WebUI or terminal connect to Telegram, Discord, Slack, WeChat, Email…
read the full nanobot overview →
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Frequently asked questions
Is ComfyUI or nanobot more popular?
ComfyUI has 144,658 GitHub stars and nanobot has 49,766. 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 (144,658 stars) or its GPL-3.0 licence terms. Choose nanobot if its feature set, stack or MIT licence fits better. Both are self-hostable.