Brave Leo

Brave Leo is a privacy-first AI assistant integrated natively into the Brave browser, available directly from the sidebar without requiring an account, login, or any personal data. Unlike competing browser AI assistants such as Microsoft Copilot in Edge or Google Gemini in Chrome, Leo processes queries through an anonymous proxy so that responses cannot be tied to individual users, and no conversation data is retained after the session ends.

Brave Leo offers both a free tier and a premium subscription. The free tier provides access to a base AI model for core tasks including webpage summarization, Q&A about page content, basic content generation, and simple coding assistance. Leo Premium, priced at $7.99 per month as of early 2026, unlocks access to advanced models including Anthropic's Claude, Meta's Llama, and Mixtral, along with higher rate limits, priority queue access, and advanced reasoning capabilities across all supported tasks.

Key capabilities include real-time webpage and PDF summarization, YouTube video summarization and transcription, multi-language translation, code generation and debugging, creative writing assistance, and contextual Q&A grounded in the content of the active page. Leo operates within the browser context, meaning it can read and reason about the page you are currently viewing without requiring copy-paste or manual input.

Brave Leo's architecture is designed around a no-telemetry, no-tracking philosophy consistent with Brave's broader privacy mission. Queries are routed through an anonymizing reverse proxy, and Brave states that conversations are not used to train AI models. This privacy-by-default approach differentiates Leo from virtually every other browser-integrated AI assistant on the market, where user data typically feeds back into model improvement pipelines.

As of 2026, Brave reports over 70 million monthly active users on its browser, giving Leo a substantial built-in distribution channel. The assistant supports desktop (Windows, macOS, Linux) and Android platforms, with availability expanding over time. Leo is accessible via the sidebar icon or the keyboard shortcut, requiring no extension installation or additional setup beyond having the Brave browser installed.