AnalysisAI ModelsSeptember 5, 2026

Astra solves full Rubik's cube without code execution

A Reddit user reports Astra solved an entire Rubik's cube without code execution, six months after GPT-5.4 managed only one face. After patching a sandbox hole it exploited to run code, Astra produced a 61-move human-like solution instead of a 19-move optimal one.

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