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

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