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SiderBrave Leo
Freemium

Free to start, with paid plans for more usage.

 Free

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

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

Checked September 23, 2026

Checked October 1, 2026

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