Event arc
It confirms ongoing collaboration between OpenAI and Microsoft on AI productivity tools.
AI BriefWire / Thread
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.

It confirms ongoing collaboration between OpenAI and Microsoft on AI productivity tools.
No clear public-company linkage yet. This thread is still useful as a thematic signal.
Microsoft's productivity apps will benefit from improved AI capabilities with GPT 5.6.
Businesses using Microsoft Copilot should prepare for enhanced AI features powered by GPT 5.6.
Sources in this thread (1): TechCrunch AI
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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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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.