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SillyTavern vs Agnaistic: catalog facts
SillyTavern	Agnaistic
Free Free and open source under the AGPL. You pay only for whatever model backend you connect…	Free Free and open source; costs depend on the AI services you connect.
Windows, macOS, Linux, Self-hosted	Web, Self-hosted
Deep prompt control: character cards, lorebooks, world info, author's notes and templates Connects to local runners as well as commercial APIs	Works with many AI model backends Open source and can be self-hosted
A front end only; you must supply a model backend Setup involves Node or Docker rather than an installer	Needs access to a separate AI service or model to be useful Little documentation on the homepage itself
Self-hosted	Web application, Self-hosted
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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