Available today: Anthropic Claude Fable 5 in Microsoft 365 Copilot

Source: Microsoft 365 Copilot Blog By Bas Brekelmans

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…

Read this on Microsoft 365 Copilot Blog
Opens in a new tab. Subvolts summarizes and links; the full piece belongs to Microsoft 365 Copilot Blog.
Where the other five stand

Related: OpenAI: Australian Payments Plus moves faster with ChatGPT and Codex · Google: Unlocking dependable responses with Gemini Enterprise Agent Platform’s Agentic RAG

Hype check
2/5Worth a look

Rated low: routine. Worth knowing, not worth rearranging your day for.

Published
Source
Microsoft 365 Copilot Blog (techcommunity.microsoft.com)
Author
Bas Brekelmans
Company
Microsoft · Official · Blog
Summary by
Subvolts, using an extract from the source (how we work). Spotted a mistake? Tell us.

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…

More from Microsoft 365 Copilot Blog 19 more

Everything from Microsoft 365 Copilot Blog →

Page generated Sep 3, 2026. Summaries are Subvolts' own; the story belongs to Microsoft 365 Copilot Blog.