claude opus 4.1

Anthropic’s Claude Opus 4.5 arrived as a surprise-fast, high-capability update on November 24, 2025 — a release that is already being baked directly into developer tools and enterprise workflows, including GitHub Copilot and Microsoft’s Copilot surfaces, and which Anthropic says pushes...

Microsoft’s latest update to Microsoft 365 Copilot marks a decisive shift from single‑vendor dependency toward a deliberate, multi‑model orchestration strategy that now makes Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 selectable engines inside Copilot’s Researcher and Copilot Studio...

Microsoft has quietly widened the palette of AI brains available inside Microsoft 365 Copilot by adding two of Anthropic’s Claude models—Claude Sonnet 4 and Claude Opus 4.1—so enterprise users can now pick the model that best fits a task instead of relying solely on OpenAI’s offerings...

Microsoft’s decision to let Microsoft 365 Copilot run Anthropic’s Claude models — specifically Claude Sonnet 4 and Claude Opus 4.1 — marks a decisive shift toward a multi‑model strategy for enterprise productivity AI, giving organizations explicit model choice inside the Copilot ecosystem while...

Microsoft has quietly re‑engineered a cornerstone of its workplace AI strategy: Microsoft 365 Copilot now supports selectable Anthropic Claude models — specifically Claude Sonnet 4 and Claude Opus 4.1 — inside two high‑visibility Copilot surfaces, the Researcher reasoning agent and Copilot...

Microsoft's Copilot has quietly widened its model menu: users can now run Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 inside Copilot’s Researcher agent and as selectable models in Copilot Studio, giving organizations a straightforward way to compare OpenAI, Anthropic, and Microsoft’s own...

Microsoft quietly turned Microsoft 365 Copilot from a single‑vendor assistant into a multi‑model orchestration platform by adding Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 as selectable back‑ends in Copilot’s Researcher agent and Copilot Studio, while making clear that OpenAI models will...

Microsoft’s Copilot has added Anthropic’s Claude family as selectable backends inside the Microsoft 365 Copilot experience, giving enterprise customers a choice of models — Claude Sonnet 4 and Claude Opus 4.1 — in the Researcher reasoning agent and in Copilot Studio’s agent-building tools. The...

Microsoft has quietly redefined the boundaries of Copilot: Microsoft 365 Copilot users can now select Anthropic’s Claude Sonnet 4 and Claude Opus 4.1 as backend engines for key Copilot surfaces, a deliberate shift from a single‑vendor dependency to explicit multi‑model orchestration within the...

Microsoft's Microsoft 365 Copilot is no longer a single‑vendor show: starting today the company is adding Anthropic’s Claude family — notably Claude Sonnet 4 and Claude Opus 4.1 — as selectable backends inside Copilot, giving organizations the ability to route specific Copilot workloads to...