OpenAI says GPT 5.6 is the ‘preferred model’ for Microsoft Copilot amid breakup chatter

OpenAI announced that GPT 5.6 is now the preferred model powering Microsoft Copilot. This model will continue to support Microsoft's workplace and productivity applications. The update comes amid rumors of a potential split between the two companies.

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PublishedFriday, July 10, 2026 at 2:16 AMJul 10, 02:16 AM

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Story ID#4978

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Business briefing

A structured operator read: what happened, why it matters, who is affected, and what to watch next.

What happened

OpenAI announced that GPT 5.6 is now the preferred model powering Microsoft Copilot. This model will continue to support Microsoft's workplace and productivity applications. The update comes amid rumors of a potential split between the two companies.

Why it matters

It confirms ongoing collaboration between OpenAI and Microsoft on AI productivity tools.

Business impact

Microsoft's productivity apps will benefit from improved AI capabilities with GPT 5.6.

Who is affected

Teams tracking Core AI, LLM, product strategy, operations, and market positioning.

Operator take

Businesses using Microsoft Copilot should prepare for enhanced AI features powered by GPT 5.6.

What to watch next

Businesses using Microsoft Copilot should prepare for enhanced AI features powered by GPT 5.6.

Confidence levelLow

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TechCrunch AI AI BriefWire editorial record

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Server-side extracted preview paragraphs from the original source.

OpenAI's new family of models will continue to power Microsoft's suite of workplace and productivity apps.

Earlier this week, Bloomberg reported that Microsoft was replacing some of OpenAI’s software with its own in-house models in an effort to cut costs.

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