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Fish Speech vs ChatTTS: catalog facts
Fish Speech	ChatTTS
Free Free to download and run; check the repository license for usage terms.	Free Free; the code is AGPL-3.0 and the released model is for academic use.
Self-hosted	Command line
Runs locally with a web UI Docker Compose setups, including AMD ROCm	Natural conversational prosody with laughter and pauses Multiple speakers in one model
Needs a capable GPU and some setup License terms should be checked before commercial use	Only English and Chinese supported Released model is restricted to academic use
Downloadable app, Self-hosted	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
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 October 2, 2026

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