Microsoft 365 Copilot Updated: New AI Model for Office Suite
Microsoft has rolled out an updated AI model in Microsoft 365 Copilot, which is now integrated into applications such as Word, Excel, and PowerPoint.

What happened?
Microsoft has updated its AI assistant, Microsoft 365 Copilot, with a more advanced AI model. This new model is being implemented directly into Microsoft 365 applications, including Word, Excel, PowerPoint, Copilot Chat, and Copilot Cowork. The update aims to improve Copilot's ability to execute tasks based on user instructions.
Key facts
| Produkt | Microsoft 365 Copilot |
|---|---|
| Integrerade applikationer | Word, Excel, PowerPoint, Copilot Chat, Copilot Cowork |
”Microsoft is putting OpenAI’s GPT-5.6 to work inside the apps where much of office life already happens. Starting today, the model is rolling out across Microsoft 365 Copilot in Word, Excel, PowerPoint, Copilot Chat, and Copilot Cowork, with Microsoft positioning it as the prefer”
Why it matters
This update is significant as it integrates a more powerful AI model directly into daily office tools. Rather than users needing to disrupt their workflows to interact with a separate AI chatbot, the improved reasoning capabilities are embedded in the applications where the work actually takes place. This could potentially streamline processes such as drafting proposals, analysing budgets, and creating presentations.
Who is affected?
Users of Microsoft 365 Copilot are primarily affected, including both individuals and enterprises relying on Microsoft's office suite. AI developers and competing platforms are likely monitoring this development closely, as it sets a new standard for AI integration in popular software.
What else you should know
The source specifically mentions "GPT-5.6" as the underlying model, which is an unknown name for any publicly available OpenAI model. This may be a typographical error or refer to an internal version not widely known, or alternatively a combination of several models. OpenAI's latest public model is GPT-4o.
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