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Chai vs SillyTavern: catalog facts
ChaiSillyTavern
Freemium

Free to download, with revenue from paid use inside the app.

Free

Free and open source under the AGPL. You pay only for whatever model backend you connect…

Android, iOS Windows, macOS, Linux, Self-hosted
  • Large catalog of community-made characters
  • Users can create their own characters and stories
  • Deep prompt control: character cards, lorebooks, world info, author's notes and templates
  • Connects to local runners as well as commercial APIs
  • Mobile only
  • Aimed at entertainment and companionship, not productivity
  • A front end only; you must supply a model backend
  • Setup involves Node or Docker rather than an installer
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
Needs internet Works offline

Checked October 1, 2026

Checked September 21, 2026

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