Microsoft
Microsoft's AI assistant built on GPT-5.5 with live Bing Search
Microsoft Copilot is powered by OpenAI's GPT-5.5 models and Bing's real-time web index, delivering up-to-date answers with citations. It's integrated across Windows 11, Edge, Microsoft 365, and Teams, making it the default AI layer across Microsoft's product ecosystem for hundreds of millions of users.
Native across Windows and Microsoft 365 with live Bing-grounded answers.
Free · $30/mo Copilot for Microsoft 365