GPT-5.6 is now the preferred model in Microsoft 365 Copilot

OpenAI announced GPT-5.6, a new AI model that will become the default option in Microsoft 365 Copilot (an AI assistant built into Microsoft's productivity apps like Word, Excel, and PowerPoint). This update gives Microsoft 365 users access to a more capable model that can produce better quality work with less effort, such as helping draft documents, analyze data, or create presentations more efficiently.