// about Brave Leo
Leo is the AI assistant built directly into the Brave browser, available on desktop and mobile. It can summarise web pages, answer questions about the content you're reading, translate text, write code, and hold general conversations — all without your queries being sent to a third-party AI service in identifiable form. Leo uses a mix of models including Claude, Llama, and Mixtral, and its privacy-preserving architecture has made it a favourite among privacy-focused users who want AI assistance without data collection.