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Brave LeoSider
Free

Built into the Brave browser, which is free to download.

 Freemium

Free to start, with paid plans for more usage.

Windows, macOS, Linux, Android, iOS Windows, Android, iOS, Web, Browser extension
  • Works on the page you are reading without copying text
  • No account needed, and chats are not kept for training
  • Access to several AI models in one sidebar
  • Page summaries and notes while browsing
  • Only available inside the Brave browser
  • Closed source hosted service
  • Heavy use needs a paid plan
Downloadable app Downloadable app, Web application, Browser extension
Closed source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Needs internet

Checked October 1, 2026

Checked September 23, 2026

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