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Microsoft and OpenAI: Closer Than Ever?
10 Jul
Summary
- OpenAI's GPT-5.6 to be preferred model for Microsoft 365 Copilot.
- Partnership aims to bring advanced AI benefits to users.
- Microsoft previously explored using its own AI models.

Recent reports suggested a potential divergence between Microsoft and OpenAI, as the tech giant explored using its in-house MAI models for applications like Word and Excel to manage costs. However, OpenAI has moved to clarify the status of their collaboration.
During the launch of its GPT-5.6 model on Thursday, OpenAI announced it would serve as the 'preferred model' for Microsoft's 365 Copilot. This designation means GPT-5.6 will support users across Microsoft's productivity applications, including Word, Excel, PowerPoint, and Cowork.
OpenAI emphasized its ongoing commitment to Microsoft, stating the partnership's goal is to widely disseminate advanced AI capabilities. While the specifics of being a 'preferred model' are not fully detailed, it confirms the continued integration of OpenAI's technology within Microsoft's ecosystem, allaying concerns of a significant separation.
The initial reports indicated Microsoft's increased reliance on its own AI for cost-saving measures, rather than a complete cessation of ChatGPT's software powering their apps. The latest announcement does not contradict these earlier findings.