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Available today: Anthropic Claude Opus 4.8 in Microsoft 365 Copilot
Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 4.8. Available now in Copilot Cowork (Frontier) and rolling out to Copilot Chat, Excel, PowerPoint, and Copilot Studio. Opus 4.8 builds on Opus 4.7 and previous Opus model strengths. It is designed for complex, multi-step coding tasks and lon
Available today: Anthropic Claude Fable 5 in Microsoft 365 Copilot
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
Available today: Anthropic’s Claude Sonnet 5 in Microsoft 365 Copilot
Starting today, Anthropic's Claude Sonnet 5 is available in Microsoft 365 Copilot—a new frontier model rolling out in Copilot Cowork and PowerPoint, built for agentic, multi-step work across everyday work: documents, spreadsheets, and presentation tasks. Anthropic describes Sonnet 5 as a more capable agentic Sonnet model, with performance close to that of Op