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

In a recent development, OpenAI has reaffirmed its collaboration with Microsoft amid speculation about a potential rift between the two tech giants. This follows a Bloomberg report suggesting that Microsoft was transitioning to its own in-house models, referred to as MAI, to reduce expenses. These models have been increasingly integrated into Microsoft applications such as Word and Excel. The shifting dynamics between Microsoft and OpenAI have raised eyebrows, prompting questions about the future of their partnership. However, OpenAI sought to quell these concerns during its announcement of GPT 5.6, declaring it as the 'preferred model' for the Microsoft 365 Copilot. In a blog post, OpenAI emphasized that GPT 5.6 would enhance user experiences across Microsoft’s suite of productivity tools, including Word, Excel, PowerPoint, and more. The company expressed its excitement about continuing to work together, highlighting the shared goal of making advanced AI accessible to a wider audience. While the designation of 'preferred model' suggests ongoing collaboration, the specifics of this arrangement remain somewhat ambiguous. Notably, it was never indicated that ChatGPT would cease to be utilized within Microsoft’s platforms. Instead, the focus has shifted toward balancing the use of OpenAI’s technology with Microsoft’s proprietary solutions as part of their cost-saving strategy. This latest announcement does not seem to contradict earlier reports regarding Microsoft's software strategy.