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AllTalk TTS vs Fish Speech: catalog facts
AllTalk TTS	Fish Speech
Free Free and open source under the AGPL-3.0 licence.	Free Free to download and run; check the repository license for usage terms.
Windows, Linux, Self-hosted	Self-hosted
Voice finetuning on your own samples Integrates with SillyTavern, KoboldCPP and Text-generation-webui	Runs locally with a web UI Docker Compose setups, including AMD ROCm
Version 1 and version 2 are documented separately, which can confuse new users Setup utility covers Windows and Linux only	Needs a capable GPU and some setup License terms should be checked before commercial use
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	No account needed
Not stated if it 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.