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Zonos vs Chatterbox: catalog facts
Zonos	Chatterbox
Free Free open-weight model and code.	Free Free and open source under the MIT license.
Linux, Self-hosted	Windows, macOS, Linux, Command line
Voice cloning from a short reference sample Trained on over 200k hours of multilingual speech	Zero-shot voice cloning from a very short audio sample MIT licensed for unrestricted local use
Needs Python setup and a capable GPU for comfortable speed Early v0.1 release with a small commit history	Generation quality and speed depend on available local hardware No dedicated GUI application, mainly used through code
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.