Overview
Microsoft Copilot is the most widely distributed AI assistant on the planet, embedded into the operating system used by 1.5 billion people worldwide. Powered by GPT-4o under the hood, Copilot offers a free tier that rivals what competing products charge $20/month for โ making it the default AI gateway for the vast majority of users who encounter AI for the first time. Its real competitive advantage lies in deep integration: within Microsoft 365, Copilot can draft a complete project proposal based on files in your OneDrive, summarize weeks of email threads in Outlook, identify trends across Excel datasets, and generate a polished PowerPoint deck from a single-sentence prompt โ all without leaving the apps where professionals already spend their working hours. For Windows 11 users, Copilot is accessible system-wide via a keyboard shortcut, enabling AI assistance in any context instantly.