Compare software

Brave LeoHARPA AI
Free

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

 Freemium

Free to install, with paid plans for heavier use of hosted models.

Windows, macOS, Linux, Android, iOS Browser extension
  • Works on the page you are reading without copying text
  • No account needed, and chats are not kept for training
  • Works with many AI providers and local models
  • YouTube, PDF and page summaries in place
  • Only available inside the Brave browser
  • Mainly a Chrome extension
  • Hosted models send page content to third-party AI providers
Downloadable app 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.