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ChatTTS vs CosyVoice: catalog facts
ChatTTS	CosyVoice
Free Free; the code is AGPL-3.0 and the released model is for academic use.	Free Free and open source.
Command line	Linux, Self-hosted
Natural conversational prosody with laughter and pauses Multiple speakers in one model	Zero-shot voice cloning across multiple languages Includes training and deployment code, not only inference
Only English and Chinese supported Released model is restricted to academic use	Requires Python setup and a GPU for practical use Aimed at technical users rather than casual listeners
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

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