Brave, a company known for its focus on privacy and alternative browsing experiences, is making a bold move into the world of artificial intelligence (AI) with its latest release. 

TechCrunch reports that Brave has just unveiled "Leo," an AI-powered assistant for desktop users, allowing them to access a wide range of context-aware services and information right from their browser. 

In addition to the free Leo version, Brave is offering a premium version called Leo Premium, with enhanced features and faster large language models (LLMs) for a monthly fee of $15. 

Leo Arrives to Desktops

Brave's AI assistant, Leo, has been in the works for a few months. The company initially introduced it to its Nightly version users in August for testing purposes. As of now, it's available to all Brave desktop browser users who are using version 1.60 or later.

Accessing Leo is straightforward: users can click the Leo icon in the browser's sidebar or simply type a query in the address bar and click the Leo icon for instant responses. 

Leo is designed to handle a variety of context-aware requests, including summarizing web pages or videos, translating text, and even rewriting phrases for easier comprehension.

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The Power Behind Leo

What sets Leo apart is its underlying technology. It is based on the Llama 2 and Anthropic's Claude large language models (LLMs). 

Free users will access the basic versions of these models, while those opting for Leo Premium will enjoy faster and more accurate responses with models like Llama 2 70B, Code Llama 70B, and Anthropic Claude Instant.

Privacy and Security

One of Brave's core principles is privacy, and this extends to Leo. Engadget tells us that all requests to Leo are routed through an anonymous server as a proxy, ensuring that they cannot be linked back to a specific IP address. 

Brave is also committed to protecting user data by immediately discarding responses after generation. Importantly, no user data is stored on any server or used for model training. 

To further strengthen privacy, Brave uses unlinkable tokens to validate subscriptions, ensuring the company remains unaware of users' activities or email addresses.

 AI Browsers

While Brave is pioneering the introduction of AI assistants into browsers, it is not alone in this endeavor. 

Other browsers like Opera and Microsoft Edge have also integrated AI assistants into their sidebars. Emerging browsers such as SigmaOS and Browser Company's Arc are experimenting with different AI-based features.

Brave's introduction of Leo comes at a time when the company is working to generate more revenue. In April, the company made a significant move by ceasing its reliance on Bing's index for search and offering its own indexing solution. Subsequently, in May, Brave launched its own search API for clients, starting at just $3 per 1,000 queries.

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