Available today: Anthropic Claude Fable 5 in Microsoft 365 Copilot
Summary
We’re expanding model choice in Microsoft 365 Copilot with Anthropic’s latest model, Claude Fable 5 as a preview model—designed to support longer, multi-step workflows. As organizations move beyond simple prompts to more complex work, customers are using Copilot to help plan, draft, and iterate across tasks. With Work IQ, Copilot can ground tasks and outputs in relevant work context—such as files, meetings, chats, and business data—so responses are more relevant to the work at hand. This integration reinforces Microsoft’s commitment to bringing the latest AI innovations to Microsoft 365 Copilot…
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Rated low: routine. Worth knowing, not worth rearranging your day for.
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Questions people ask
- Where can I read the full story?
- On Microsoft 365 Copilot Blog. The "Read this on Microsoft 365 Copilot Blog" link above opens the original in a new tab. Subvolts publishes a summary and analysis, never the full piece.
- What does this mean for Copilot?
- We’re expanding model choice in Microsoft 365 Copilot with Anthropic’s latest model, Claude Fable 5 as a preview model—designed to…
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Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Microsoft 365 Copilot Blog.

