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AWS, Google, Azure and Cloudflare each built AI agent sandboxes on different foundations

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All four major public cloud providers now offer managed sandboxes to safely execute AI-generated code, but each has built its product on a distinct isolation primitive. A July 24 survey by The New Stack, pegged to Google Cloud's Cloud Run sandbox public preview, highlights this fragmentation across AWS, Google Cloud, Microsoft Azure, and Cloudflare. The core problem each solves is the same: running agent-produced code without exposing developer credentials, filesystems, or host infrastructure. However, the underlying technology choices — containers, microVMs, WebAssembly, or JavaScript isolates — differ by vendor, creating real gaps in portability, startup latency, and audit trail capabilities. Teams building AI agent pipelines are advised to treat sandbox selection as a first-class architectural decision, since no cross-vendor standard or shared specification currently exists.

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AWS, Google, Azure and Cloudflare each built AI agent sandboxes on different foundations · ShortSingh