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 Claude Opus 4.8 in Microsoft 365 Copilot

Microsoft 365 Copilot Blog articles     •     May 28, 2026, 6:37 pm
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,…

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