head to head · open source
chatbox vs CosyVoice
chatbox has 41,791 GitHub stars, 4,252 forks, 1,290 open issues and last shipped 2 days ago. CosyVoice has 23,661 stars, 2,690 forks, 698 open issues and last shipped 4 months ago. chatbox leads on adoption by 77% (41,791 vs 23,661 stars). chatbox is written in TypeScript under GPL-3.0; CosyVoice is written in Python under Apache-2.0. chatbox has attracted 10% as many forks as stars, CosyVoice 11%. chatbox was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (chatbot, chatgpt), 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
| chatbox | CosyVoice | |
|---|---|---|
| GitHub stars | ★ 42K | ★ 24K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-16 | 2026-05-25 |
| Forks | ⑂ 4.3K | ⑂ 2.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick chatbox if
- You weight community size — 42K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches TypeScript
- 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 chatbox
Chatbox (Community Edition) is a cross platform desktop client for large language models, written in TypeScript and released under the GPL 3.0 license. It runs on Windows, macOS and Linux, and it connects to a range of providers including OpenAI (ChatGPT), Azure OpenAI, Claude, Google Gemini Pro, Ollama and ChatGLM 6B. The project lives in the AI interaction and interfaces ecosystem, where desktop chat front ends sit between a user and one or more hosted or locally hosted model APIs. The repository carries 41,767 stars and 4,251 forks across four years of history.
read the full chatbox overview →
About CosyVoice
CosyVoice is an Apache 2.0 Python text to speech system built on large language models that ships inference, training and deployment for multi lingual voice generation, aimed at teams who need self hosted zero shot voice cloning and streaming speech synthesis rather than a hosted API.
read the full CosyVoice overview →
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Frequently asked questions
Is chatbox or CosyVoice more popular?
chatbox has 41,791 GitHub stars and CosyVoice has 23,661. chatbox has the larger community by that measure.
Are chatbox and CosyVoice free?
Both are open source. chatbox is licensed under GPL-3.0 and CosyVoice under Apache-2.0. Neither carries a licence fee.
What is the difference between chatbox and CosyVoice?
chatbox is written in TypeScript 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, chatbox or CosyVoice?
Choose chatbox if you want the larger community (41,791 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.