In Brief
Posted:
5:16 PM PDT · July 9, 2026
Image Credits:Rafael Henrique/SOPA Images/LightRocket / Getty ImagesEarlier this week, Bloomberg reported that Microsoft was replacing immoderate of OpenAI’s bundle with its ain in-house models successful an effort to chopped costs. Those in-house models, known arsenic MAI, were progressively being utilized to powerfulness apps similar Word and Excel, the outlet noted.
The communicative raised an progressively communal question astir the 2 companies, which were erstwhile seemingly inseparable, and person precocious sent mixed signals astir the presumption of their situationship: Were the 2 companies drifting apart?
Now, OpenAI is attempting to enactment immoderate insinuations of specified a interruption to rest. During OpenAI’s motorboat of GPT 5.6 connected Thursday, the institution announced that it would go the “preferred model” powering Microsoft’s 365 Copilot.
OpenAI noted successful a blog post published Thursday that GPT 5.6 would enactment Microsoft users crossed the company’s suite of productivity apps, including Word, Excel, PowerPoint, and Cowork.
“Our concern with Microsoft has ever been astir bringing the benefits of precocious AI to much individuals and organizations, and we’re excited to proceed gathering connected that shared commitment,” OpenAI wrote successful a blog post.
What being a “preferred model” really means isn’t wholly clear, different than that OpenAI’s bundle volition proceed to powerfulness Microsoft’s apps.
That said, it was ne'er reported that ChatGPT’s bundle would halt powering Microsoft’s apps — simply that Microsoft was relying progressively connected its ain bundle successful an effort to trim costs. The caller “preferred model” disclosure doesn’t look to negate that erstwhile reporting.
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