Microsoft Copilot(@MSFTCopilot):Designed for complex, long-running tasks, Claude Fable 5.1 is rolling out in Copilot Cowork and Copilot Studio, giving eligible customers more choice in how they work with AI. Work IQ grounds it in your files, meetings, and chats—within your existing permissions—so it reasons over your work, not just your prompt. Learn more:

Microsoft Copilot

@MSFTCopilot

Made by the people who sit in meetings too

Joined August 2017

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Microsoft Copilot@MSFTCopilot

2026.09.01 20:35

Designed for complex, long-running tasks, Claude Fable 5.1 is rolling out in Copilot Cowork and Copilot Studio, giving eligible customers more choice in how they work with AI. Work IQ grounds it in your files, meetings, and chats—within your existing permissions—so it reasons over your work, not just your prompt. Learn more: