head to head · open source
LibreChat vs CosyVoice
LibreChat has 46,647 GitHub stars, 9,596 forks, 732 open issues and last shipped yesterday. CosyVoice has 24,247 stars, 2,769 forks, 698 open issues and last shipped 5 months ago. LibreChat leads on adoption by 92% (46,647 vs 24,247 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 | ★ 47K | ★ 24K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-05-25 |
| Forks | ⑂ 9.6K | ⑂ 2.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LibreChat if
- You weight community size — 47K 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 English · 中文 🚀 What's New in v0.8.8 rc2 Agent run control: Interrupt an Agent before visible answer text, steer runs with files and quoted excerpts, durably queue follow ups, and recover saved partial work with Keep going or Answer now . Agent activity: Optional generated labels group reasoning and tool work, fold completed groups into live phase cards, keep generated files visible, summarize multi step phases, and show the current reasoning direction. Human in the loop Agents: Stream up to four related questions, pause for input or tool approval, and resume durably. Unified Agent Builder: Configure…
read the full LibreChat 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 LibreChat or CosyVoice more popular?
LibreChat has 46,647 GitHub stars and CosyVoice has 24,247. 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 (46,647 stars) or its MIT licence terms. Choose CosyVoice if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.