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

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