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AllTalk TTS vs Zonos: catalog facts
AllTalk TTS	Zonos
Free Free and open source under the AGPL-3.0 licence.	Free Free open-weight model and code.
Windows, Linux, Self-hosted	Linux, Self-hosted
Voice finetuning on your own samples Integrates with SillyTavern, KoboldCPP and Text-generation-webui	Voice cloning from a short reference sample Trained on over 200k hours of multilingual speech
Version 1 and version 2 are documented separately, which can confuse new users Setup utility covers Windows and Linux only	Needs Python setup and a capable GPU for comfortable speed Early v0.1 release with a small commit history
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: AGPL-3.0	License: Apache-2.0
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.