Chatterbox TTS vs Voicebox
Chatterbox TTS
github.com
Voicebox
voicebox.shSide by side
| Figure | Chatterbox TTS | Voicebox |
|---|---|---|
| Price from | Free | $1/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | Yes | Yes |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 2 | 3 |
| Spec score · Voice Cloning Software | 9.1 (#1) | 8.8 (#7) |
| Spec score · Text-to-Speech Software | 9.0 (#9) | 8.7 (#32) |
| Spec score · Text-to-speech tools | 8.9 (#21) | 9.4 (#2) |
| Spec score · AI voice cloning tools | 9.0 (#4) | 8.7 (#12) |
| Commercial use | Yes | Yes |
| Free plan | Yes | Yes |
| Product | Chatterbox is a family of open-source text-to-speech models by Resemble AI. | Voicebox is a free, open-source local AI voice studio for voice cloning, speech generation, dictation, and agent voice output. |
| Self-hosting | Chatterbox is run locally and does not require an account when installed from the open-source project, according to an independent technical guide. | The backend can run locally or on a separate Docker or bare-host machine for remote-mode connections. |
| Voice cloning | Models can generate speech conditioned on a short reference audio clip. | It can clone a voice from a few seconds of audio supplied by upload, microphone recording, or system-audio capture. |
| What it does | Chatterbox is Resemble AI’s open-source family of text-to-speech and voice-cloning models. | Voicebox is a local AI voice studio for voice cloning, text-to-speech, dictation, transcription, and agent speech. |
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.
Voicebox
Voicebox is a free, open-source local AI voice studio for voice cloning, speech generation, dictation, and agent voice output. Its desktop app can clone a voice from as little as three seconds of audio, supplied by file, microphone recording, or system capture. The maker lists seven text-to-speech engines for cloning, preset voices, and delivery control. A timeline editor supports multi-voice narratives, arranging tracks, trimming clips, and mixing conversations; effects include pitch shift, reverb, delay, and compression. Dictation uses a global shortcut to send transcripts to the focused text field or clipboard, with local Whisper models supporting 99 languages. MCP-aware agents such as Claude Code, Cursor, and Cline can speak through Voicebox, and a local REST API provides speech generation and related functions. The privacy policy says the offline desktop app requires no account and does not send recordings, profiles, transcripts, generations, or settings to the maker. Local is free with unlimited local generations and captures. Cloud and mobile sync are marked as coming soon, and cloud pricing and limits are not final.