For $20, a Coding Agent Devises a Surprising Physical Strategy to Move a Box

tomssilver · x · 2026-10-21

Given the instruction "put the green box on target, clearing obstructions," the agent Astra generated a purely Python solution in a red-teamed sandbox with no other tools and a $20 budget — using a surprising physical strategy. Princeton's Tom Silver says he's adding it to his catalogue of surprising physical strategies discovered by coding agents.

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