Claude

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When AI Pushes Back: Alignment Philosophies of Claude vs. Codex Through a Misread Algorithm Problem

2026-05-22T22:00:00+09:00

Background

In January 2017, I visited Tokyo for the second time in my life on a tourist visa to take the graduate entrance exam for the Department of Creative Informatics at the University of Tokyo.

Creative Informatics was somewhat unusual because it had no written math exam—only on-machine programming. While preparing for the exam, I worked through many past papers, finding several genuinely intriguing problem designs (far more interesting than routine LeetCode grinding).

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12 minute read

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hi Hi, I’m CheerChen.