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Zonos vs ChatTTS: catalog facts
Zonos	ChatTTS
Free Free open-weight model and code.	Free Free; the code is AGPL-3.0 and the released model is for academic use.
Linux, Self-hosted	Command line
Voice cloning from a short reference sample Trained on over 200k hours of multilingual speech	Natural conversational prosody with laughter and pauses Multiple speakers in one model
Needs Python setup and a capable GPU for comfortable speed Early v0.1 release with a small commit history	Only English and Chinese supported Released model is restricted to academic use
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: AGPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 2, 2026

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