HTML Opus #31
7.5
Evaluation
7.5 avg
8.5 physics accuracy
8 design quality
7.5 animation quality
7 slider ux
6.5 completeness
7.2 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

Mass, volume, and density are static display values rather than live-updating readouts, failing the live-value requirement for three of four metrics; only displaced water updates dynamically.

8,538 output tokens · claude-opus-4-6 · end_turn

Mass, volume, and density are static display values rather than live-updating readouts, failing the live-value requirement for three of four metrics; only displaced water updates dynamically.