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Microsoft 365 Copilot Chat: OpenAI’s GPT 5.5 Thinking available in Copilot Chat [Android, Windows, iOS, Mac, Web]GPT 5.5 Thinking expands what Copil

Copilot
OpenAI’s GPT 5.5 Thinking available in Copilot Chat [Android, Windows, iOS, Mac, Web]
GPT 5.5 Thinking expands what Copilot Chat can do by enabling deeper reasoning and more complex problem solving.
Details:
What changed:
Copilot Chat now includes GPT 5.5 Thinking, a model designed for multistep reasoning, structured analysis, and more thoughtful responses.
Why:
Users need AI that can handle complex tasks such as planning, troubleshooting, and evaluating multiple options.
Try this:
Ask Copilot to break down a complex project into actionable steps.
Use GPT 5.5 Thinking to compare multiple strategies or solutions.
Request a detailed explanation of a technical or business process.
Why this matters:
Business impact:
Supports more advanced decision making and planning.
Personal impact:
Helps users think through complex tasks with greater clarity.
Original source ↗ Crawled: 20 May 2026 09:14