ai model modes

  1. GPT-5.4 “Think Deeper” in Microsoft 365 Copilot: Model Modes, Graph Grounding

    Your view of Duke’s Copilot rollout maps closely to where Microsoft has been steering the product since early 2025: away from a single generic assistant and toward a stack of modes optimized for different kinds of work. Microsoft confirmed that GPT-5.4 Thinking began rolling into Microsoft 365...