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Speaches vs AllTalk TTS: catalog facts
Speaches	AllTalk TTS
Free Free and open source under the MIT licence.	Free Free and open source under the AGPL-3.0 licence.
Self-hosted	Windows, Linux, Self-hosted
Drop-in replacement for OpenAI's speech and transcription endpoints Streaming transcription over SSE	Voice finetuning on your own samples Integrates with SillyTavern, KoboldCPP and Text-generation-webui
A server with an API, not an end-user app Setup is based on Docker	Version 1 and version 2 are documented separately, which can confuse new users Setup utility covers Windows and Linux only
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: MIT	License: AGPL-3.0
No account needed	No account needed
Not stated if it works offline	Not stated if it 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.