HTML Opus #12
4.0
Evaluation
4.0 avg
7 physics accuracy
6.5 design quality
5.5 animation quality
1 slider ux
1.5 completeness
2.5 overall
Two crowns Same mass, different density Vertical slider Slider works Slider controls crowns Slider direction correct Full slider range Fall animation Water displacement Rising water level Splash effects Physics correct Live mass value Live volume value Live density value Live displaced water Gilded displaces more Heureka animation No external deps Light bg / dark text Self-contained HTML

Implements a polished general Archimedes simulation with drag-and-drop physics, but entirely misses the prompt's core requirements: no crowns, no two-object comparison, no vertical slider controlling immersion depth, no Heureka moment, and dark background instead of light.

10,541 output tokens · claude-opus-4-6 · end_turn

Implements a polished general Archimedes simulation with drag-and-drop physics, but entirely misses the prompt's core requirements: no crowns, no two-object comparison, no vertical slider controlling immersion depth, no Heureka moment, and dark background instead of light.