head to head · open source
ComfyUI vs bitterbot-desktop
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. bitterbot-desktop has 2,459 stars, 415 forks, 10 open issues and last shipped today. ComfyUI leads on adoption by 5,348% (133,963 vs 2,459 stars). ComfyUI is written in Python under GPL-3.0; bitterbot-desktop is written in TypeScript under MIT. ComfyUI has attracted 12% as many forks as stars, bitterbot-desktop 17%. bitterbot-desktop 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 | bitterbot-desktop | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 2.5K |
| License | GPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 16K | ⑂ 415 |
| 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 bitterbot-desktop if
- You want the bitterbot-desktop feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and bitterbot-desktop 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 bitterbot-desktop
Bitterbot is a local first personal AI desktop application for TypeScript developers and self hosters who want an agent that lives on their own devices, remembers their history, and trades proven skills with other agents over a peer to peer marketplace.
read the full bitterbot-desktop overview →
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Frequently asked questions
Is ComfyUI or bitterbot-desktop more popular?
ComfyUI has 133,963 GitHub stars and bitterbot-desktop has 2,459. ComfyUI has the larger community by that measure.
Are ComfyUI and bitterbot-desktop free?
Both are open source. ComfyUI is licensed under GPL-3.0 and bitterbot-desktop under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and bitterbot-desktop?
ComfyUI is written in Python and bitterbot-desktop in TypeScript. 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 bitterbot-desktop?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose bitterbot-desktop if its feature set, stack or MIT licence fits better. Both are self-hostable.