head to head · open source
ComfyUI vs koishi
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. koishi has 6,213 stars, 350 forks, 107 open issues and last shipped 23 days ago. ComfyUI leads on adoption by 2,056% (133,963 vs 6,213 stars). ComfyUI is written in Python under GPL-3.0; koishi is written in TypeScript under MIT. ComfyUI has attracted 12% as many forks as stars, koishi 6%. 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 | koishi | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 6.2K |
| License | GPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-20 | 2026-08-28 |
| Forks | ⑂ 16K | ⑂ 350 |
| 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 koishi if
- You want the koishi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and koishi 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 koishi
Koishi is a cross platform, extensible, high performance chatbot framework written in TypeScript, aimed at anyone who wants to build and run bots across QQ, Telegram, Discord, Feishu, Matrix, LINE, mail and OneBot from one codebase.
read the full koishi overview →
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Frequently asked questions
Is ComfyUI or koishi more popular?
ComfyUI has 133,963 GitHub stars and koishi has 6,213. ComfyUI has the larger community by that measure.
Are ComfyUI and koishi free?
Both are open source. ComfyUI is licensed under GPL-3.0 and koishi under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and koishi?
ComfyUI is written in Python and koishi 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 koishi?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose koishi if its feature set, stack or MIT licence fits better. Both are self-hostable.