OpenAI's GPT-5.6 Becomes the Preferred Model in Microsoft 365 Copilot

**Kieron Allen** (0:00)
Welcome to the Cloud Wars Agent and Copilot Minute, where we explore the opportunities, impacts and outcomes made possible by AI. That's fair to say that OpenAI has had a changeable relationship with Microsoft over the past few years. However, ties between the two companies have always remained strong. To that end, OpenAI has announced that GPT 5.6 has become the preferred model in Microsoft 365 Copilot, which includes Word, Excel, PowerPoint, Copilot Chat, Teams. For context, this is OpenAI's latest flagship model, which the company claims delivers higher quality outputs and stronger performance per dollar spent. This efficiency is increasingly important as more work shifts to AI models.
In terms of what this looks like in Copilot, in Word, users can expect better drafting, editing and document refinement with fewer prompts. For Excel, there will be deeper data analysis and faster insights. In PowerPoint, Copilot will be able to create more polished presentations with less manual effort. Meanwhile, Copilot Chat benefits from GPT 5.6's improved reasoning and productivity capabilities for everyday tasks. Ultimately, this update will help Microsoft customers create, analyze and collaborate more effectively in the applications they already use.
For me, though, the biggest benefit is this idea of improved efficiency. The notion of getting the most out of every token and gaining more value from the tools you're using. I think this will become a new battleground moving forward, not just for model developers who balance power and budget friendliness, but also for providers of AI tools like Microsoft, who need to show their customers that they're making the best choices in how these products are powered. Thank you for watching.