head to head · open source
ComfyUI vs LibreChat
ComfyUI has 133,792 GitHub stars, 15,838 forks, 4,894 open issues and last shipped yesterday. LibreChat has 44,318 stars, 9,108 forks, 732 open issues and last shipped yesterday. ComfyUI leads on adoption by 202% (133,792 vs 44,318 stars). ComfyUI is written in Python under GPL-3.0; LibreChat is written in TypeScript under MIT. ComfyUI has attracted 12% as many forks as stars, LibreChat 21%. LibreChat was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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 | LibreChat | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 44K |
| License | GPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 16K | ⑂ 9.1K |
| 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 LibreChat if
- You want the LibreChat feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and LibreChat 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 LibreChat
LibreChat is an open source, self hostable chat interface designed as an enhanced ChatGPT clone. It unifies access to multiple AI models—including OpenAI, Anthropic, Google Gemini, DeepSeek, Mistral, AWS Bedrock, Azure OpenAI, and others—within a single web application. Built in TypeScript, it supports real time streaming, multi model switching, and advanced agent workflows while providing features like message search, artifacts, code interpreter, and secure multi user authentication.
read the full LibreChat overview →
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Frequently asked questions
Is ComfyUI or LibreChat more popular?
ComfyUI has 133,792 GitHub stars and LibreChat has 44,318. ComfyUI has the larger community by that measure.
Are ComfyUI and LibreChat free?
Both are open source. ComfyUI is licensed under GPL-3.0 and LibreChat under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and LibreChat?
ComfyUI is written in Python and LibreChat 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 LibreChat?
Choose ComfyUI if you want the larger community (133,792 stars) or its GPL-3.0 licence terms. Choose LibreChat if its feature set, stack or MIT licence fits better. Both are self-hostable.