Model
ChatTTS
ChatTTS is an open-weight AI model, released in 2024, made for developers.
A text-to-speech model tuned for natural conversational speech in Chinese and English.
Main jobs: Text to speech. It is open source and free to use. You can use it offline on your own machine, on your own server and in the terminal.
Markdown version of https://godooo.ai/en/model/chattts. Every page on this site has one: add .md to its address.
At a glance
- Type
- Model
- Released
- 2024
- Galaxy
- Voice & Music
- Open source
- Yes · AGPL-3.0
- Source code
- github.com/2noise/ChatTTS
- GitHub stars
- 39,868
- How you run it
- Runs offline · Self-host · Terminal
- Made for
- Developers
- Website
- 2noise.com
What it can do
Text to speechmain jobunconfirmed
“ChatTTS is a text-to-speech model designed specifically for dialogue scenarios such as LLM assistant.”— github.com, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- ElevenLabsFree plan + paid upgradesAlso does: Text to speech; no code needed
- ChatterboxOpen source, freeAlso does: Text to speech
- CosyVoiceOpen source, freeAlso does: Text to speech
- F5-TTSOpen source, freeAlso does: Text to speech
- Fish SpeechOpen source, freeAlso does: Text to speech
- GPT-SoVITSOpen source, freeAlso does: Text to speech; no code needed
- WaveNetAlso does: Text to speech
- CapCut 剪映Free plan + paid upgradesAlso does: Text to speech; no code needed
- DescriptFree plan + paid upgradesAlso does: Text to speech; no code needed
- MoneyPrinterTurboOpen source, freeAlso does: Text to speech; no code needed
- LibreChatOpen source, freeAlso does: Text to speech; no code needed
- LiveKit AgentsOpen source, freeAlso does: Text to speech
Connections
- Applies
- Text-to-Speech
Questions
What is ChatTTS?
ChatTTS is an open-weight AI model, released in 2024, made for developers. A text-to-speech model tuned for natural conversational speech in Chinese and English.
Is ChatTTS free?
Yes. ChatTTS is open source (AGPL-3.0) and free to use.
Is ChatTTS open source?
Yes, under the AGPL-3.0 license. The source code is at https://github.com/2noise/ChatTTS.
Can ChatTTS run locally?
Yes. ChatTTS can run offline on your own machine. It can also be self-hosted on your own server.
What can ChatTTS do?
Main jobs: Text to speech.
What are open-source alternatives to ChatTTS?
Open-source ones: Chatterbox, CosyVoice, F5-TTS, Fish Speech, GPT-SoVITS, MoneyPrinterTurbo, LibreChat and LiveKit Agents. Others: ElevenLabs, WaveNet, CapCut 剪映 and Descript.
Sources
- github.com/2noise/ChatTTSchecked 2026-09-24
- 2noise.com