Brave Leo

Brave LeoDeveloper(s)| Brave Software, Inc.

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Initial release| 2 November 2023; 2 years ago (2023-11-02)
Operating system| Android, iOS, Windows, MacOS, Linux
Included with| Brave
Type| Chatbot
Website| brave.com/leo

Brave Leo is a large language model-based chatbot developed by Brave Software and included with the Brave browser.[1]

## Contents

* 1 History
* 2 Features
* 3 Privacy
* 4 Controversies
* 5 See also
* 6 References

## History

In November 2023, the company said versions for iOS and Android would be available "in the coming months".[2]

## Features

Since January 2024, Leo has used the open-source Mixtral 8x7B from Mistral AI as its default large language model, in addition to LLaMA 2 from Meta Platforms and Claude from Anthropic, both of which have been used previously.[3][non-primary source needed]

Leo can suggest follow-up questions, and summarize webpages, PDFs, and videos.[4][5]

Leo has a $15 (US) per month premium version that enables more requests and uses larger LLMs.[4][6]

## Privacy

The answers given by Leo are not saved.[7] Brave uses the slogan Love Privacy to emphasize its focus on user privacy and data protection. The phrase has been featured in Brave's official marketing campaigns and has been cited in media coverage of the browser's privacy-first approach.[8]

## Controversies

In 2023, PC World reported that Leo evades questions about US elections.[9]

## See also

* Brave Search
* Brave (web browser)

## References

1. ↑ Swant, Marty (2025-04-02). "Why big advertisers are buying Brave's search ads — despite its small size" (in en-US). https://digiday.com/media-buying/why-big-advertisers-are-buying-braves-search-ads-despite-its-small-size/.
2. ↑ Weatherbed, Jess (November 2, 2023). "Brave responds to Bing and ChatGPT with a new "anonymous and secure" AI chatbot". https://www.theverge.com/2023/11/2/23943193/brave-leo-ai-assistant-chatbot-release-date-price.
3. ↑ "Brave Leo, the AI browser assistant, now features Mixtral for improved performance | Brave". Brave Software, Inc.. 2024-01-25. https://brave.com/blog/leo-mixtral/.
4. ↑ 4.0 4.1 Mehta, Ivan (November 2, 2023). "Brave's Leo AI assistant is now available to desktop users". https://techcrunch.com/2023/11/02/braves-leo-ai-assistant-is-now-available-to-desktop-users/.
5. ↑ Ledford, Jerri (November 2, 2023). "Brave's Leo AI Browser Now Available for All Users" (in en). https://www.lifewire.com/brave-leo-ai-browser-8386525.
6. ↑ "Brave Builds a Privacy-Respecting AI Assistant Into Its Browser". November 2, 2023. https://uk.pcmag.com/ai/149459/brave-builds-a-privacy-respecting-ai-assistant-into-its-browser.
7. ↑ "Brave's Leo enters the AI chatbot arena with privacy as its selling point". November 3, 2023. https://indianexpress.com/article/technology/artificial-intelligence/brave-launches-leo-privacy-ai-chatbot-9011659/.
8. ↑ mindi (May 13, 2025). "Leo AI Yapay Zekâ Nedir?". https://mindilot.com/yapay-zeka-uygulamalari/leo-ai-yapay-zeka/.
9. ↑ "Brave browser's free Leo AI dodges questions about the 2020 election" (in en). https://www.pcworld.com/article/2131256/braves-free-leo-ai-dodges-questions-about-the-2020-election.html.

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