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IndexTTS vs Fish Speech: catalog facts
IndexTTS	Fish Speech
Free Free to download and run from the GitHub repository.	Free Free to download and run; check the repository license for usage terms.
Command line	Self-hosted
Zero-shot voice cloning from a reference sample Control over emotion and duration	Runs locally with a web UI Docker Compose setups, including AMD ROCm
Requires a Python setup and suitable hardware License terms need checking before commercial use	Needs a capable GPU and some setup License terms should be checked before commercial use
Downloadable app	Downloadable app, Self-hosted
Closed source	Closed source
License not stated	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.