Anthropic Expands Claude Cowork to Mobile and Web Platforms

Anthropic is breaking down the barriers of its collaborative AI environment by bringing Claude Cowork to mobile and web interfaces. This expansion marks a significant shift from a desktop-only utility to a persistent, cross-platform ecosystem for AI-driven teamwork.

Multi-Platform Accessibility and Rollout Strategy

Until now, Claude Cowork was tethered strictly to the desktop applications for macOS and Windows. Anthropic has officially announced that Cowork is now available on web browsers and mobile devices, including iOS and Android. The rollout is being prioritized for Claude Max subscribers, with access expanding to users on other subscription tiers in the coming weeks.

While the mobile and web versions offer unprecedented flexibility, Anthropic maintains a clear distinction regarding feature parity. The "full experience" remains centered on the desktop app, specifically because the desktop version retains critical capabilities like local file access—a vital tool for developers and data scientists working with sensitive or massive local datasets.

Cloud-Native Processing and Seamless Continuity

One of the most technical and impactful upgrades in this launch is the shift to cloud-based Cowork sessions by default. Previously, user sessions were more closely tied to the active machine; now, sessions run in the cloud, allowing users to transition from a workstation to a smartphone without losing context.

This cloud-first approach enables several advanced workflows:

• Background Execution: Users can initiate complex Cowork tasks and close their laptops, knowing the AI will continue processing in the cloud.
• Asynchronous Task Management: Scheduled tasks are no longer dependent on a device being online. The AI can execute planned operations even when all user hardware is powered down.
• Mobile Notifications: To bridge the gap between deep work and mobility, Claude can now send push notifications to mobile devices, alerting users when a task is ready for review or final approval.

For users who prioritize privacy or require specific hardware acceleration, the desktop app continues to offer a hybrid model, allowing users to manually toggle between cloud and local processing.

Why This Matters for the AI Landscape

This move signals Anthropic's evolution from providing a "chatbot" to providing an "AI agentic layer." By enabling background tasks and cross-device continuity, Anthropic is positioning Claude Cowork as a persistent collaborator rather than a reactive tool. This transition is essential for the next wave of AI integration, where agents must operate autonomously and asynchronously to truly augment professional workflows.

To support this expansion, Anthropic is also doubling Cowork usage limits through August 5th, encouraging heavy testing of these new multi-device capabilities.

Key Takeaways

• Expanded Ecosystem: Claude Cowork is moving beyond macOS and Windows to include web browsers and mobile OSs (iOS/Android), starting with Max subscribers.
• Cloud-Driven Persistence: Default cloud processing allows for background task execution and scheduled tasks that run even when all user devices are offline.
• Hybrid Functionality: While mobile offers mobility and notifications, the desktop app remains the powerhouse for deep integration, offering local file access and togglable local processing.