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GPT-SoVITS vs Spark-TTS: catalog facts
GPT-SoVITS	Spark-TTS
Free Free to download and run from the public repository.	Free Free to download and run locally.
Windows, Linux	Windows, macOS, Linux, Command line
Few-shot voice cloning from about a minute of audio Local web UI for training and inference	Voice cloning from a short sample Command line and local web interface
Training benefits from a capable GPU Setup involves Python environments and model downloads	Requires Python and model downloads to set up No repository activity since April 2025
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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