head to head · open source
ComfyUI vs errbot
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped yesterday. errbot has 3,312 stars, 628 forks, 45 open issues and last shipped 10 days ago. ComfyUI leads on adoption by 4,275% (144,907 vs 3,312 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.
← all 20902 open source comparisons
Side by side
| ComfyUI | errbot | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 3.3K |
| License | GPL-3.0 | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-04 | 2026-10-26 |
| Forks | ⑂ 17K | ⑂ 628 |
| 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 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 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…
read the full ComfyUI overview →
About errbot
.. image:: :target: .. image:: :target: .. image:: :target: :alt: Latest Version .. image:: :target: :alt: License .. image:: :target: :alt: Join the chat at Errbot ====== Errbot is a chatbot. It allows you to start scripts interactively from your chatrooms for any reason: random humour, chatops, starting a build, monitoring commits, triggering alerts... It is written and easily extensible in Python. Errbot is available as open source software and released under the GPL v3 license. Features Chat servers support Built in IRC support Telegram support XMPP support With add ons Slack support (See instructions )…
read the full errbot overview →
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is ComfyUI or errbot more popular?
ComfyUI has 144,907 GitHub stars and errbot has 3,312. 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 (144,907 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.