GPT-5 Arrives in Microsoft Copilot: What You Need to Know

Copilot Aug 13, 2025

Microsoft has officially begun rolling out GPT-5 across Copilot, bringing faster performance, sharper reasoning, and more powerful multi-modal capabilities.

GPT-5 Availability in Copilot

Microsoft is committed to ensuring that premium Copilot licensed users get the latest models within minutes of release, and Copilot Chat users within 30 days.

  • “Try GPT-5” button has been enabled for use now and for testing.
  • Full model integration into Copilot will happen within 30 days.

Rollout will start in Copilot on the web and will expand to:

  • BizChat (Microsoft Graph search).
  • Integrated app chats in Word, Excel, PowerPoint, OneNote.

Check out this post for details on using GPT-5 in Copilot.

Key Highlights of GPT-5 in Copilot

  • Smarter Responses – New “switcher” technology routes your queries to the best model automatically, whether it’s the standard chat model or a reasoning-focused version.
  • Massive Context Window – Up to 1 million tokens (about 10 books), enabling deep analysis of lengthy documents.
  • Enhanced Multi-modal Support – Improved understanding of images, audio, and video, even in low resolution.
  • Better Responsible AI – Reduced hallucinations, stronger fact-checking, and minimized “sycophancy” (overly agreeable behavior).
  • Unified Experience – The same GPT-5 experience is coming to Word, Excel, PowerPoint, OneNote, BizChat, and Copilot Chat.

Security & Compliance

Microsoft emphasizes that data handling, security controls, and contracts remain unchanged. The upgrade doesn’t inherently add new features, it just improves existing capabilities.

For risk assessment guidance, Microsoft suggests focusing on assessing Copilot service, not individual model versions.

Don’t Want GPT-5 Yet?

While Microsoft recommends embracing GPT-5 for its performance and compliance benefits, you can opt out:

  1. Contact your Microsoft account team.
  2. Request to escalate a disablement of GPT-5 for your organization.
  3. The team can turn off the model and revert you to the prior version.
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