Microsoft 365 Copilot now uses GPT-5.6 as preferred model; it powers Word, Excel, PowerPoint, Chat, and Cowork with stronger AI capabilities.
Read the original at openai.com→Learn how GPT-5.6 powers Microsoft 365 Copilot with stronger AI capabilities across Word, Excel, PowerPoint, Chat, and Cowork for faster, higher-quality work.
Original headline: "GPT-5.6 is now the preferred model in Microsoft 365 Copilot"