Opus 5.5 vs GPT-6: one-shot mechanical watch animation that keeps ticking when taken apart

Paruchh @theparuchhOriginally posted 2026.09.30

Open original on X

BATTLE OF THE TOP AI MODELS, PART 1 CLAUDE OPUS 5.5 VS GPT-6 ASTRA everyone has seen a mechanical watch almost nobody has seen it from the inside so we asked the two best models to build one and take it apart the catch: it has to keep ticking while it's in pieces > same prompt > one shot > zero manual fixes > Claude: 1 attempts, 125 min > GPT: 1 attempts, 47 min which one would you wear? prompt in the first comment