System Report

Claude Duet debuts as AI sidekick while Microsoft slams

Claude Duet rolls out as a proactive AI assistant Claude Duet shows up as a proactive AI assistant that nudges you before you even notice a task. Anthropic opened a research preview today and limited it to Pro and Max…

The preview runs on Claude Opus 5.5, a model Anthropic says is “resourceful and able to decide what needs you, what can wait, and when to check with you first.” Each morning the agent pushes a short brief of the most …

How Duet’s safety layers differ from earlier agents The biggest selling point Anthropic highlights is Duet’s judgment around sensitive data. A new dedicated classifier and safety‑system prompt scan every outbound mess…

Anthropic stresses that the safety stack builds on years of work protecting agents that read email and send messages on behalf of users. The company promises to release more technical details in the coming days, but t…

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