Anthropic Launches Claude Duet

Anthropic has introduced Claude Duet, a proactive AI agent designed to manage tasks across connected applications. The tool operates on the Opus 5.5 model and functions in the background on a dedicated cloud computer, allowing it to surface priorities and handle assignments without requiring an active user session.

The research preview launched on October 21, 2026, for Pro and Max subscribers in the United States via a waitlist.