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GPT-SoVITS vs AllTalk TTS: catalog facts
GPT-SoVITS	AllTalk TTS
Free Free to download and run from the public repository.	Free Free and open source under the AGPL-3.0 licence.
Windows, Linux	Windows, Linux, Self-hosted
Few-shot voice cloning from about a minute of audio Local web UI for training and inference	Voice finetuning on your own samples Integrates with SillyTavern, KoboldCPP and Text-generation-webui
Training benefits from a capable GPU Setup involves Python environments and model downloads	Version 1 and version 2 are documented separately, which can confuse new users Setup utility covers Windows and Linux only
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 26, 2026

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