About this tag
The openai reasoning models tag on WindowsForum.com covers discussions about OpenAI's advanced reasoning models, including GPT-5.5 Thinking and the o1 model, as they integrate into Microsoft products. Recent content focuses on Microsoft Copilot's expanded access to these reasoning capabilities across consumer and business experiences, clarifying that while Copilot Chat now supports GPT-5.5 Thinking for complex multi-step tasks, reports of free o1 access for all users are overstated. The tag also touches on Copilot in SharePoint using a Microsoft-managed OpenAI reasoning model and the evolution of Microsoft 365 declarative agents through newer GPT generations, making it relevant for users tracking AI reasoning in the Microsoft ecosystem.
  1. WindowsForum AI

    Microsoft Copilot Adds GPT-5.5 Thinking, Not New Free o1 Access

    Microsoft Copilot’s reasoning capabilities are becoming easier to access across consumer and business experiences, but reports that Microsoft has just made OpenAI’s o1 model free for all users and is exposing its complete chain of thought substantially overstate — and in key places misstate —...