GPT-5.6 is now the preferred model in Microsoft 365 Copilot
OpenAI’s GPT-5.6 is now powering Microsoft 365 Copilot across core Office apps, upgrading capabilities for enterprise users.
Excerpt
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.
Read at source: https://openai.com/index/gpt-5-6-preferred-model-microsoft-365-copilot