HTML Sonnet #30
4.9
Evaluation
4.9 avg
7.5 physics accuracy
7 design quality
4 animation quality
5.5 slider ux
2 completeness
3.5 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 well-polished general Archimedes simulator with correct physics and force arrows, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, Heureka narrative, falling animation, splash effects, rising water level, and a vertical slider controlling crown immersion.

7,300 output tokens · claude-sonnet-4-6 · end_turn

Implements a well-polished general Archimedes simulator with correct physics and force arrows, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, Heureka narrative, falling animation, splash effects, rising water level, and a vertical slider controlling crown immersion.