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MaxAI vs Brave Leo: catalog facts
MaxAI	Brave Leo
Freemium Free to install, with paid plans on the pricing page.	Free Built into the Brave browser, which is free to download.
Web, Browser extension	Windows, macOS, Linux, Android, iOS
Works on the current page from a sidebar Access to several AI model providers	Works on the page you are reading without copying text No account needed, and chats are not kept for training
Page content is sent to cloud AI services No Firefox extension listed	Only available inside the Brave browser
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
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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