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Fish Speech vs IndexTTS: catalog facts
Fish Speech	IndexTTS
Free Free to download and run; check the repository license for usage terms.	Free Free to download and run from the GitHub repository.
Self-hosted	Command line
Runs locally with a web UI Docker Compose setups, including AMD ROCm	Zero-shot voice cloning from a reference sample Control over emotion and duration
Needs a capable GPU and some setup License terms should be checked before commercial use	Requires a Python setup and suitable hardware License terms need checking before commercial use
Downloadable app, Self-hosted	Downloadable app
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.