Microsoft Is Combining Its Two 'Copilot' Apps (and Ditching These Three Features)

Microsoft will now have only one Copilot app for all users.

The top 3

  1. Three Most Widely Adopted Personal AI Assistants: ChatGPT leads in global adoption with 800 million to 1 billion weekly active users, followed by Google Gemini, and Apple's pioneering Siri, deeply integrated into its ecosystem.
  2. Leading AI Tools Integrated into Office Suites: Microsoft Copilot integrates with Microsoft 365 apps like Word and Outlook, while Google Workspace with Gemini is built into Google's suite for tasks such as email drafting and meeting summaries.
  3. AI Chatbots with the Largest Global User Bases: ChatGPT holds the largest market share with 53.9% of worldwide web visits, followed by Google Gemini at 27.9%, and Anthropic's Claude at 9.2% as of May 2026.

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