# ChatTTS

Model · https://godooo.ai/en/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.

## At a glance

- **Type:** [Model](https://godooo.ai/en/browse#model)
- **Released:** 2024
- **Galaxy:** [Voice & Music](https://godooo.ai/en/galaxy/audio)
- **Open source:** Yes · AGPL-3.0
- **Source code:** [github.com/2noise/ChatTTS](https://github.com/2noise/ChatTTS)
- **GitHub stars:** 39,868
- **How you run it:** Runs offline · Self-host · Terminal
- **Made for:** Developers
- **Website:** [2noise.com](https://2noise.com)

## What it can do

- **[Text to speech](https://godooo.ai/en/capability/text-to-speech)** — main job, _proposed by a machine, awaiting calibration_. “ChatTTS is a text-to-speech model designed specifically for dialogue scenarios such as LLM assistant.” (read on [github.com](https://github.com/2noise/ChatTTS), 2026-09-24)

## Alternatives

- **[ElevenLabs](https://godooo.ai/en/product/elevenlabs)** (Free plan + paid upgrades): Also does: Text to speech; no code needed
- **[Chatterbox](https://godooo.ai/en/model/chatterbox)** (Open source, free): Also does: Text to speech
- **[CosyVoice](https://godooo.ai/en/model/cosyvoice)** (Open source, free): Also does: Text to speech
- **[F5-TTS](https://godooo.ai/en/model/f5-tts)** (Open source, free): Also does: Text to speech
- **[Fish Speech](https://godooo.ai/en/model/fish-speech)** (Open source, free): Also does: Text to speech
- **[GPT-SoVITS](https://godooo.ai/en/product/gpt-sovits)** (Open source, free): Also does: Text to speech; no code needed
- **[WaveNet](https://godooo.ai/en/model/wavenet)**: Also does: Text to speech
- **[CapCut 剪映](https://godooo.ai/en/product/capcut)** (Free plan + paid upgrades): Also does: Text to speech; no code needed
- **[Descript](https://godooo.ai/en/product/descript)** (Free plan + paid upgrades): Also does: Text to speech; no code needed
- **[MoneyPrinterTurbo](https://godooo.ai/en/product/moneyprinterturbo)** (Open source, free): Also does: Text to speech; no code needed
- **[LibreChat](https://godooo.ai/en/product/librechat)** (Open source, free): Also does: Text to speech; no code needed
- **[LiveKit Agents](https://godooo.ai/en/framework/livekit-agents)** (Open source, free): Also does: Text to speech

## Connections

- **Applies:** [Text-to-Speech](https://godooo.ai/en/concept/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](https://github.com/2noise/ChatTTS) — checked 2026-09-24
- [2noise.com](https://2noise.com)

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Last updated 2026-09-24 · sources checked 2026-09-24 · Markdown version of https://godooo.ai/en/model/chattts. Every page on this site has one: add .md to its address.