OpenAI’s GPT-5.6 is now the preferred model in Microsoft 365 Copilot, marking another major step in bringing advanced AI assistance into the tools millions of people use for work every day.
The model powers Copilot experiences across Word, Excel, PowerPoint, Chat, and Cowork, helping users move more quickly from ideas to polished documents, insights, presentations, and collaborative outcomes. For busy teams, that can mean less time spent on repetitive tasks and more time focused on judgment, creativity, and execution.
Why it matters
This is a practical AI win: rather than staying confined to demos or standalone chat interfaces, stronger AI capabilities are being embedded directly into familiar productivity software. That makes the benefits easier to access for workers and organizations already operating inside Microsoft 365.
- Faster workflows: AI can assist with drafting, summarizing, organizing, and analyzing work.
- Higher-quality outputs: Improved model capabilities can support clearer writing, better insights, and more polished deliverables.
- Broad reach: Microsoft 365 Copilot brings advanced AI into widely used workplace apps.
As AI models continue improving, integrations like this show how the technology can become a practical productivity layer across modern knowledge work.