Available today: Anthropic Claude Opus 5 in Microsoft 365 Copilot
Summary
Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 5. Claude Opus 5 is the newest model in Anthropic’s Opus family. Designed to be used every day for complex, multi-step work. It improves on Opus 4.8 across agentic coding, professional knowledge work, and long-horizon reasoning1. With Opus 5, Copilot takes on more of the steps between idea and finished work across the apps you use every day—while keeping you in control of the final outcome: Word: Move from rough idea to a…
Related: OpenAI: Scientific computing in the age of agentic AI · Google: Hands on with Gemini 3.7 Flash · Anthropic: A Model Explosion: GPT 5.6 Sol, Grok 4.5 and Meta Muse Rewrite the Rules · Meta: AI Advocate Tutorials · xAI: Introducing Grok 4.5: Fast, affordable intelligence
Rated low: routine. Worth knowing, not worth rearranging your day for.
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- What does this mean for Copilot?
- Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 5. Claude Opus…
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Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Microsoft 365 Copilot Blog.