5 Things Every AI Engineer Should Know About Agent Sandboxes
5 Things Every AI Engineer Should Know About Agent Sandboxes Co-authored with Ryan Ismert, published by Google Cloud Tech on X, September 1, 2026
We spent several quarters benchmarking, breaking, and running agent sandbox runtimes across Google Cloud and open-source stacks. The five takeaways:
Cold-start marketing numbers are measured on empty loops, not real runtimes (our real-world bootstrap: ~610 ms vs. a claimed 150 ms). The isolation spectrum is defined by what code you share with your neighbor.
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