OpenAI has announced that GPT-5.6 is now the preferred model in Microsoft 365 Copilot. This marks a significant integration of the latest AI technology into the productivity tools used by millions of people daily. The move positions GPT-5.6 as the default engine for Copilot's assistance across the Microsoft 365 ecosystem.
According to the announcement, GPT-5.6 brings stronger AI capabilities to Word, Excel, PowerPoint, Chat, and Cowork. Users can expect these applications to leverage the model's improved performance to deliver faster and higher-quality results, whether drafting documents, analyzing data, building presentations, or collaborating with colleagues.
The update underscores the ongoing partnership between OpenAI and Microsoft, with the latter embedding cutting-edge models directly into its flagship office software. While the announcement does not detail specific technical improvements, it signals a continued push to make AI assistance more capable and seamless in everyday work environments.