head to head · open source
ComfyUI vs errbot
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. errbot has 3,306 stars, 624 forks, 45 open issues and last shipped 1 months ago. ComfyUI leads on adoption by 3,952% (133,963 vs 3,306 stars). ComfyUI is written in Python under GPL-3.0; errbot is written in Python under GPL-3.0. ComfyUI has attracted 12% as many forks as stars, errbot 19%. ComfyUI 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 | errbot | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 3.3K |
| License | GPL-3.0 | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-08-17 |
| Forks | ⑂ 16K | ⑂ 624 |
| 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 errbot if
- You want the errbot feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and errbot 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 errbot
Errbot is a chatbot daemon written in Python and released under the GPL 3.0 licence that connects to a chat service and lets people start scripts, plugins and operational tasks directly from the conversation, aimed at developers and operations teams who want ChatOps inside the chat tools they already use.
read the full errbot overview →
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Frequently asked questions
Is ComfyUI or errbot more popular?
ComfyUI has 133,963 GitHub stars and errbot has 3,306. ComfyUI has the larger community by that measure.
Are ComfyUI and errbot free?
Both are open source. ComfyUI is licensed under GPL-3.0 and errbot under GPL-3.0. Neither carries a licence fee.
What is the difference between ComfyUI and errbot?
ComfyUI is written in Python and errbot 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 errbot?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose errbot if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.