head to head · open source
ComfyUI vs tmi.js
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. tmi.js has 1,590 stars, 205 forks, 34 open issues and last shipped 10 months ago. ComfyUI leads on adoption by 8,325% (133,963 vs 1,590 stars). ComfyUI is written in Python under GPL-3.0; tmi.js is written in JavaScript under MIT. ComfyUI has attracted 12% as many forks as stars, tmi.js 13%. 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 | tmi.js | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 1.6K |
| License | GPL-3.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-20 | 2025-11-21 |
| Forks | ⑂ 16K | ⑂ 205 |
| 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 tmi.js if
- You want the tmi.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and tmi.js 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 tmi.js
tmi.js is a JavaScript client library for the Twitch Messaging Interface, usable from Node.js and directly in the browser, and built for developers who write Twitch chat bots and chat driven interfaces.
read the full tmi.js overview →
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Frequently asked questions
Is ComfyUI or tmi.js more popular?
ComfyUI has 133,963 GitHub stars and tmi.js has 1,590. ComfyUI has the larger community by that measure.
Are ComfyUI and tmi.js free?
Both are open source. ComfyUI is licensed under GPL-3.0 and tmi.js under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and tmi.js?
ComfyUI is written in Python and tmi.js in JavaScript. 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 tmi.js?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose tmi.js if its feature set, stack or MIT licence fits better. Both are self-hostable.