OpenAI Confirms GPT 5.6 as Primary Model Powering Microsoft Copilot 365

OpenAI has designated its latest GPT 5.6 model family as the preferred engine for Microsoft's Copilot 365 suite, reassuring enterprise users about the continued partnership despite recent speculation about tensions between the companies. The announcement confirms OpenAI's models will remain central to Microsoft's workplace productivity applications going forward.

Why it matters: Microsoft's $13 billion OpenAI investment and enterprise Copilot strategy depend on reliable model access, making official confirmations of this partnership essential for both companies' AI product roadmaps and investor confidence.