Chatterbox TTS vs MeloTTS
Chatterbox TTS
github.com
MeloTTS
github.comSide by side
| Figure | Chatterbox TTS | MeloTTS |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | Yes | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 2 | 0 |
| Spec score · Text-to-Speech Software | 9.0 (#9) | 7.8 (#132) |
| Spec score · Text-to-speech tools | 8.9 (#21) | 7.7 (#151) |
| Spec score · Game Voice Generators | 8.9 (#6) | 7.6 (#30) |
| Commercial use | Yes | Yes |
| Export formats | WAV | WAV |
| Free plan | Yes | Yes |
| Intended users | The README describes Turbo for low-latency voice agents and Nano for on-device or CPU inference when memory and latency budgets are tight. | The project offers a Python API, CLI, Web UI, and custom-dataset training instructions for users working with speech synthesis. |
| Languages | The README lists 23 supported languages for Chatterbox Multilingual. | It supports English, Spanish, French, Chinese, Japanese, and Korean. |
| License | The code and model listing identify the project as MIT licensed, permitting modification and redistribution subject to the license notice. | The library uses the MIT License and the project says it is free for commercial and non-commercial use. |
| Platforms | linux,macos,self_hosted | web,windows,macos,linux,api,self_hosted |
| Product | Chatterbox is a family of open-source text-to-speech models by Resemble AI. | MeloTTS is a multilingual text-to-speech library by MIT and MyShell.ai. |
Plans
Chatterbox TTS
- Chatterbox open-source modelsFree
- Voice AI Research (Chatterbox)Free
In their own words
Chatterbox TTS
Chatterbox TTS is a family of open-source text-to-speech models from Resemble AI. Its listed choices include Turbo, Nano, Multilingual V3, and dedicated single-language models. Turbo supports tags that can prompt reactions such as sighs, gasps, coughs, and laughter; Nano is intended for on-device or CPU use when memory and latency budgets are tight. The README lists 23 languages for Multilingual. The project supports voice cloning, audio input, batch processing, voice isolation, and WAV export. Generated audio carries Resemble AI’s PerTh watermark. The repository is MIT licensed, and its listed plan costs nothing for research and development. Resemble says it has stopped offering voice generation as a commercial product, while its models remain open and free for research and development. The README provides pip and source installation instructions and describes Python 3.11 on Debian 11, with CUDA, CPU, and MPS device options. Listed platforms are Linux, macOS, and self-hosted.