Anthropic unveils Claude Duet, a new proactive AI agent

Anthropic: Anthropic is an artificial intelligence research company known for developing the Claude family of large language models with an emphasis on safety and helpfulness. The company has announced Claude Duet as a new standalone proactive agent application in a research preview, making it available initially through a waitlist to users on its Pro and Max subscription plans in the United States. Claude Duet: Claude Duet is a new proactive AI agent created by Anthropic and presented as a standalone research preview app. It is designed to autonomously assess user requirements and take actions using the underlying capabilities of Claude Opus 5.5 while pulling memory, skills, and app connections directly from the user's existing Claude account. Claude Opus 5.5: Claude Opus 5.5 is an advanced iteration of Anthropic's Claude large language model lineup optimized for sophisticated judgment and decision-making. The model serves as the core foundation for the newly announced Claude Duet agent to enable its proactive features in the research preview. AI Agents: Leading AI developers are increasingly releasing specialized agent tools as standalone applications to expand beyond standard chat interfaces. Product Access: New AI features and agents from major labs frequently begin with limited previews restricted to premium subscription tiers in specific markets.