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