OpenAI integrates new AI tool into Microsoft 365 Copilot
OpenAI has launched ChatGPT Work and plans to integrate a new AI model, GPT-5.6, into Microsoft 365 Copilot, expanding AI functionality within the company's productivity suite.

What happened?
OpenAI has announced the integration of a new AI model, GPT-5.6, into Microsoft 365 Copilot. This model is intended to improve capabilities in applications such as Word, Excel, and PowerPoint by offering enhanced reasoning, coding, and content creation. Concurrently, ChatGPT Work was launched as part of OpenAI's strategy to expand its enterprise sector presence.
Key facts
| Lanserad modell | GPT-5.6 (nämns i källan) |
|---|---|
| Integration i | Microsoft 365 Copilot, Word, Excel, PowerPoint |
| Ny tjänst | ChatGPT Work |
”OpenAI has expanded its enterprise AI strategy with the launch of GPT-5.6 and ChatGPT Work, while announcing that its latest flagship model will become the default AI model powering Microsoft 365 Copilot.”
”The move deepens OpenAI's partnership with Microsoft and brings GPT-5.6 to productivity applications including Word, Excel, PowerPoint, Copilot Chat, and Cowork, giving enterprise users access to improved reasoning, coding, content creation, and workflow automation without changi”
”OpenAI said GPT-5.6 will become the preferred model across Microsoft 365 Copilot, helping users draft documents, analyse spreadsheets, build presentations, and collaborate across teams with improved accuracy and efficiency.”
Why it matters
The integration deepens the partnership between OpenAI and Microsoft, strengthening Microsoft's position in the enterprise AI market. By providing GPT-5.6 directly within Microsoft 365 applications, companies gain access to advanced AI without needing to disrupt workflows. This is critical as competition to embed AI into workplace tools intensifies between major players like Google, Anthropic, and Amazon.
Who is affected?
Users of Microsoft 365 Copilot and other Microsoft 365 apps will be directly affected through access to improved AI features. Businesses and organisations within the Microsoft ecosystem gain new opportunities to streamline workflows and content creation. Developers building solutions on top of these platforms may also be impacted.
What else you should know
Note that the source mentions "GPT-5.6". It remains unclear whether this refers to a specific version or a future reference, as OpenAI's latest official flagship model at the time of writing is GPT-4o.
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