Cowork is a new collaborative tool from Claude that allows users to work more efficiently by giving Claude access to specific folders on their computer. This feature, currently in research preview, enables Claude to manage tasks like organizing files or creating documents while maintaining user control and safety.

Claude Opus 4.6 introduces significant upgrades, including improved planning and performance for complex tasks across various applications like Excel and PowerPoint. It also adds a new feature called Cowork, allowing users to manage non-technical tasks efficiently. The model now supports a larger context of 1 million tokens, enhancing its functionality in coding and multi-disciplinary reasoning.

This article outlines updates and new features for Claude Opus 4.5. Key improvements include an effort parameter for balancing output quality and cost, new API tools for enhanced functionality, and the introduction of Skills for integrating specialized knowledge into agents.

Cowork is a new feature that allows users to work with Claude by giving it access to specific folders on their computer. It can read, edit, and create files while keeping users informed of its progress. Currently available in research preview for paid subscribers, it aims to simplify task management and collaboration.