According to Satya Nadella on Twitter, Microsoft is introducing GPT-5.2 models into Microsoft Foundry and Copilot Studio, as well as beginning the rollout in its Copilot consumer experience. This move emphasizes giving customers greater model choice by enabling Copilot to automatically select the optimal AI model for various tasks. The integration is expected to enhance productivity and customization for enterprise and individual users, enabling businesses to leverage advanced generative AI for tailored solutions, workflow automation, and improved customer engagement (source: @satyanadella, Twitter, Dec 11, 2025).