head to head · open source
ComfyUI vs CosyVoice
ComfyUI has 144,658 GitHub stars, 17,237 forks, 4,894 open issues and last shipped yesterday. CosyVoice has 24,247 stars, 2,769 forks, 698 open issues and last shipped 5 months ago. ComfyUI leads on adoption by 497% (144,658 vs 24,247 stars). ComfyUI is written in Python under GPL-3.0; CosyVoice is written in Python under Apache-2.0. ComfyUI has attracted 12% as many forks as stars, CosyVoice 11%. 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 | CosyVoice | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 24K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-05-25 |
| Forks | ⑂ 17K | ⑂ 2.8K |
| 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 CosyVoice if
- You want the CosyVoice feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and CosyVoice 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 CosyVoice
👉🏻 CosyVoice 👈🏻 Fun CosyVoice 3.0 : Demos; Paper; Modelscope; Huggingface; CV3 Eval CosyVoice 2.0 : Demos; Paper; Modelscope; HuggingFace CosyVoice 1.0 : Demos; Paper; Modelscope; HuggingFace Highlight🔥 Fun CosyVoice 3.0 is an advanced text to speech (TTS) system based on large language models (LLM), surpassing its predecessor (CosyVoice 2.0) in content consistency, speaker similarity, and prosody naturalness. It is designed for zero shot multilingual speech synthesis in the wild. Key Features Language Coverage : Covers 9 common languages (Chinese, English, Japanese, Korean, German, Spanish, French…
read the full CosyVoice overview →
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Frequently asked questions
Is ComfyUI or CosyVoice more popular?
ComfyUI has 144,658 GitHub stars and CosyVoice has 24,247. ComfyUI has the larger community by that measure.
Are ComfyUI and CosyVoice free?
Both are open source. ComfyUI is licensed under GPL-3.0 and CosyVoice under Apache-2.0. Neither carries a licence fee.
What is the difference between ComfyUI and CosyVoice?
ComfyUI is written in Python and CosyVoice 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 CosyVoice?
Choose ComfyUI if you want the larger community (144,658 stars) or its GPL-3.0 licence terms. Choose CosyVoice if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.