Audio
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Suno's text-prompted generative audio model: speech, music and sound effects from text prompts
★ 39.3k starsMIT
View guide →A generative speech model built for daily dialogue — natural, conversational text-to-speech
ChatTTS is an open-source audio project by 2noise (2noise/ChatTTS on GitHub). It has 39,892 GitHub stars and 4,257 forks, is released under the AGPL-3.0 license, and was last updated on GitHub on 10 April 2026.
Decide what you want from ChatTTS and check the README and requirements to confirm it fits your setup and Python environment.
Clone the repository from GitHub (github.com/2noise/ChatTTS) or use the documented install channel if you do not need the source.
Follow the README quickstart to install dependencies and set any required configuration or credentials.
Work through the README's first example end to end, then adapt it to your own project or data.
A generative speech model designed specifically for daily dialogue rather than narration.
Supports Chinese and English conversational speech.
Targets natural conversational delivery for LLM chat applications.
Installable from PyPI as ChatTTS, or from source.
Documents optional vLLM-based serving for faster inference.
Model and dataset details are documented in the README.
Start by getting the source and entering the project directory.
git clone https://github.com/2noise/ChatTTS.git
cd ChatTTSClone the repo and install the Python requirements.
git clone https://github.com/2noise/ChatTTS.git
cd ChatTTS
pip install -r requirements.txtInstall ChatTTS directly from PyPI for library use.
pip install ChatTTSIt is maintained by 2noise and contributors on GitHub, where the repository github.com/2noise/ChatTTS is the canonical home for code, issues and releases.
Yes — it is open source under the AGPL-3.0 license. Read the license in the repository for what is permitted, including any conditions on redistribution or commercial use.
No. It runs locally; note the code is AGPL-3.0 while model weights carry their own terms in the README.
Compared with Coqui TTS: ChatTTS is specialised for conversational dialogue prosody, while Coqui TTS is a general trainable TTS toolkit.
Clone github.com/2noise/ChatTTS, follow the README quickstart to install it, and run the documented first example before adapting it to your own work.
Suno's text-prompted generative audio model: speech, music and sound effects from text prompts
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