M365 Copilot and OpenAI GPT-5.2 Now Available

OpenAI GPT-5.2 is now available to both M365 Copilot and Copilot Studio.  GPT-5.2 provides the best model for complex problem and strategic insights which is aligned with supporting business productivity users.  There are two options.  

1. Quick Response focuses on fast, concise answers for simple or time-sensitive questions.  The focus is on speed versus exhaustive reasoning.
2. Think Deeper focuses on comprehensive, analytical responses for complex or strategic queries.  This includes multi-step reasoning and explore context, implications and options.

Reference: https://www.microsoft.com/en-us/microsoft-365/blog/2025/12/11/available-today-gpt-5-2-in-microsoft-365-copilot/