Five frontier AIs 3D-print bridges: Opus 5.5's held ~130 lb, nearly 5x the runner-up
141_1337 · reddit · 2026-09-28
Five frontier AI models were tasked with engineering and 3D-printing the strongest bridge possible from 500 g of plastic. Claude Opus 5.5's design held roughly 130 lb — nearly 5× the load of the runner-up — a striking physical-world benchmark gap.
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