AI
Citing Felix Rieseberg
Publication: Simon Willison's Weblog
Author: Not available in collected metadata
Source published: 05/10/2026, 23:56:47 UTC
Briefing created: 06/10/2026, 00:28:48 UTC
Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 06/10/2026, 00:12:24 UTC.
Briefings
Anthropic announced a new Cowork model inference architecture that moves model execution and virtual machine management to the cloud, replacing local disk-based inference. This change eliminates session state sharing between concurrent sessions and shifts file access to desktop applications, aiming to improve battery life, performance consistency, and security by isolating each session in its own sandbox. The transition was driven by user feedback regarding local resource consumption and session continuity issues, with the new approach prioritizing cloud-based execution over local disk operations.
Key points
- The new Cowork architecture moves model inference and virtual machine management to the cloud, eliminating local disk-based inference and session state sharing between concurrent sessions.
- File access for desktop applications is now handled by the desktop app rather than the cloud VM, addressing concerns about session continuity and resource management.
Context and limitations
The transition from local disk-based inference to cloud-based execution may impact performance and latency, and the specific benefits regarding battery life and security remain subject to empirical testing and user feedback.
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