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Anthropic introduces Claude Duet always-on cloud agent app powered by Opus 5.5

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VISUAL ARTWORK:Original editorial artwork. Third-party brand marks used under nominative fair use.

What happened.Anthropic launched a preview of Claude Duet, an always-on autonomous agent application hosted on cloud virtual machines and driven by the Claude Opus 5.5 model.

Why it matters.Standard conversational assistants stop working as soon as a user closes a browser session. Dedicated cloud runtimes allow software agents to serve as dependable background teammates that resolve asynchronous business workflows.

The technical specifications:

  • Proactive execution: Runs continuously across connected business tools to compile morning briefings, detect project blockers, and carry out background assignments without waiting for user prompts.
  • Persistent environment: Executes within dedicated cloud virtual machines that continue processing complex tasks after user laptops and local browsers disconnect.
  • Gated authorization: Employs explicit approval checkpoints that pause execution and require confirmation before the agent sends external communications or initiates financial transactions.