Rubik's Cube race: Opus 5.5 solves in 3 moves and 1m13s, beating GPT-6 Sol and two others
gaganghotra_ · x · 2026-09-26
aiforsuccess shares an aimlapi Rubik's Cube race pitting four models under identical limits (20 moves or 5 minutes, one API call per move).
Results:
- Opus 5.5: solved in 1m 12.87s with a perfect 3-move solution
- GPT-6 Sol: wrong first move, ran out of time after 4 moves
- Jev: used all 20 moves in 20 seconds without solving
- Laya: used all 20 moves in 9.5s without solving
Opus, GPT, and Jev ran via an API provider; Laya ran locally. The poster calls it further proof of Opus 5.5's capabilities.
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