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 Fable 5.1 in Microsoft Copilot

Microsoft 365 Copilot Blog articles     •     September 1, 2026, 7:26 pm
Claude Fable 5.1 is now joining the frontier models available in Copilot Cowork and Copilot Studio, giving customers more choice as they delegate more complex tasks to AI.  Fable 5.1 is designed for…

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