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IndexTTS vs CosyVoice: catalog facts
IndexTTS	CosyVoice
Free Free to download and run from the GitHub repository.	Free Free and open source.
Command line	Linux, Self-hosted
Zero-shot voice cloning from a reference sample Control over emotion and duration	Zero-shot voice cloning across multiple languages Includes training and deployment code, not only inference
Requires a Python setup and suitable hardware License terms need checking before commercial use	Requires Python setup and a GPU for practical use Aimed at technical users rather than casual listeners
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: Apache-2.0
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 September 26, 2026

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