Available today: OpenAI GPT-6 Astra in Microsoft Copilot

Available today: OpenAI GPT-6 Astra in Microsoft Copilot Microsoft 365 Copilot Blog articles     •     September 4, 2026, 8:28 pm GPT-6 Astra joins the frontier models available in Copilot Cowork and Copilot Studio, giving customers more choice for complex work they want to delegate to AI. Astra expands the range of work that…

Available today: Anthropic’s Claude Sonnet 5 in Microsoft 365 Copilot

Microsoft 365 Copilot Blog articles     •     July 2, 2026, 3:55 pm
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…

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