head to head · open source
LibreChat vs CosyVoice
LibreChat has 44,217 GitHub stars, 9,087 forks, 732 open issues and last shipped yesterday. CosyVoice has 23,661 stars, 2,690 forks, 698 open issues and last shipped 4 months ago. LibreChat leads on adoption by 87% (44,217 vs 23,661 stars). LibreChat is written in TypeScript under MIT; CosyVoice is written in Python under Apache-2.0. LibreChat has attracted 21% as many forks as stars, CosyVoice 11%. LibreChat was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| LibreChat | CosyVoice | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 24K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-05-25 |
| Forks | ⑂ 9.1K | ⑂ 2.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LibreChat if
- You weight community size — 44K stars and counting
- You want the MIT 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 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 →
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 LibreChat or CosyVoice more popular?
LibreChat has 44,217 GitHub stars and CosyVoice has 23,661. LibreChat has the larger community by that measure.
Are LibreChat and CosyVoice free?
Both are open source. LibreChat is licensed under MIT and CosyVoice under Apache-2.0. Neither carries a licence fee.
What is the difference between LibreChat and CosyVoice?
LibreChat 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, LibreChat or CosyVoice?
Choose LibreChat if you want the larger community (44,217 stars) or its MIT licence terms. Choose CosyVoice if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.