Microsoft Launches Copilot Mode in Edge Browser, Rivaling OpenAI's Atlas in AI Browser Race

Reviewed byNidhi Govil

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Microsoft has officially launched Copilot Mode for its Edge browser, introducing AI-powered features that allow the assistant to analyze multiple tabs, take actions like booking reservations, and organize browsing history. The launch comes just two days after OpenAI's similar Atlas browser announcement.

Microsoft Enters AI Browser Competition with Copilot Mode Launch

Microsoft has officially launched Copilot Mode for its Edge browser, marking the company's ambitious entry into the rapidly evolving AI browser market. The announcement, made by Microsoft AI CEO Mustafa Suleyman, positions the new feature as "an AI browser that is your dynamic, intelligent companion" capable of seeing and reasoning across open tabs, summarizing information, and taking actions like booking hotels or filling out forms

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Source: Digit

Source: Digit

The timing of Microsoft's launch is particularly noteworthy, coming just two days after OpenAI unveiled its Atlas browser. While both companies likely developed their products independently over months, the visual and functional similarities between the two browsers are striking, highlighting the convergence in AI browser design principles

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Key Features and Capabilities

Copilot Mode transforms Edge's new tab experience into an AI-centric interface, replacing the traditional search box and daily photos with a comprehensive chat window. Users can interact through voice or keyboard, with the AI assistant capable of analyzing content across multiple browser tabs simultaneously

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Source: PC Magazine

Source: PC Magazine

The most significant addition is the Actions feature, which provides agentic AI capabilities allowing Copilot to perform tasks on users' behalf. These include unsubscribing from marketing emails, making restaurant reservations, and completing multi-step processes. However, early testing reveals reliability issues, with the feature displaying warnings that it's "intended for research and evaluation purposes" and "can make mistakes"

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Another major feature, Journeys, organizes users' browsing history into meaningful topics and provides suggestions for continuing research sessions. This AI-powered organization system helps users pick up where they left off on complex topics like product research or travel planning

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Enhanced Personalization and User Experience

Microsoft has introduced several features to make Copilot more personalized and engaging. The "real talk" feature promises less sycophantic responses, with the AI designed to challenge assumptions and adapt to users' communication styles. Additionally, an optional animated companion called Mico provides visual feedback through colors and expressions during interactions

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Source: GeekWire

Source: GeekWire

The system now includes Memory & Personalization capabilities, allowing Copilot to reference past conversations and store important information for future interactions. Users maintain control over this data, with options to edit, update, or delete stored memories at any time

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Market Context and Competition

The launch occurs amid intensifying competition in the AI browser space, with Google's Chrome maintaining a dominant 71% market share while Microsoft's Edge holds just 4.67%. This represents a dramatic shift from Microsoft's Internet Explorer era, when it commanded 95% market share before antitrust actions paved the way for competitors

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Real-world testing reveals mixed results for the new features. While Copilot successfully completed some tasks like unsubscribing from mailing lists, it struggled with others, including failing to delete emails as requested and making incorrect reservation dates when booking restaurant tables

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Availability and Privacy Considerations

Copilot Mode is currently available as a limited preview in the United States, accessible through the latest version of Edge on Windows and macOS. Users can activate the feature through Edge settings or Microsoft's dedicated website, with the ability to toggle it off at any time

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Microsoft emphasizes user privacy, stating that browsing history access requires explicit opt-in through page settings, and data collection is limited to improving user experience. The company positions this approach as allowing users to experience AI capabilities without fully committing to an AI-first browsing experience

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