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Spark-TTS vs Fish Speech: catalog facts
Spark-TTS	Fish Speech
Free Free to download and run locally.	Free Free to download and run; check the repository license for usage terms.
Windows, macOS, Linux, Command line	Self-hosted
Voice cloning from a short sample Command line and local web interface	Runs locally with a web UI Docker Compose setups, including AMD ROCm
Requires Python and model downloads to set up No repository activity since April 2025	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 October 2, 2026	Official website Full listing and sources Checked September 26, 2026

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