Chatterbox TTS vs KugelAudio
Chatterbox TTS
github.comKugelAudio
kugelaudio.comSide by side
| Figure | Chatterbox TTS | KugelAudio |
|---|---|---|
| Price from | Free | €0.04/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | Yes | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 2 | 6 |
| Spec score · Text-to-Speech Software | 9.0 (#9) | 8.8 (#25) |
| Spec score · Text-to-speech tools | 8.9 (#21) | 8.7 (#38) |
| Commercial use | Yes | Yes |
| Export formats | WAV | WAV,PCM,MP3,µ-law,a-law |
| Free plan | Yes | Yes |
| Languages | The README lists 23 supported languages for Chatterbox Multilingual. | Its multilingual model supports 39 languages. |
| Platforms | linux,macos,self_hosted | web,api,self_hosted |
| Product | Chatterbox is a family of open-source text-to-speech models by Resemble AI. | KugelAudio is a text-to-speech platform for real-time applications such as voice agents, interactive applications, and content creation tools. |
| Support | The README invites users to join the project’s Discord community. | The Trust Center says customers can report failures, incidents, and concerns through the in-product messenger or email. |
| Voice cloning | Models can generate speech conditioned on a short reference audio clip. | Users can create custom voices from clean reference audio. |
Plans
Chatterbox TTS
- Chatterbox open-source modelsFree
- Voice AI Research (Chatterbox)Free
KugelAudio
- Free tierFree
- kugel-2-turbo€0.04 a month
- kugel-3€0.07 a month
- kugel-2-turbo€0.04, paid once
- kugel-3€0.07, paid once
- EnterprisePriced on request
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.
KugelAudio
KugelAudio has no write-up on Specifiction yet; its figures are above.