HTML Opus #44
8.3
Evaluation
8.3 avg
8.5 physics accuracy
8.2 design quality
7.8 animation quality
8 slider ux
9.2 completeness
8.4 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

Analytically solves the circular immersion-rise dependency correctly; all 21 features implemented, but the custom-div slider (not a native range input) lacks keyboard accessibility and mass/density/volume fields are static rather than truly "live."

10,128 output tokens · claude-opus-4-6 · end_turn

Analytically solves the circular immersion-rise dependency correctly; all 21 features implemented, but the custom-div slider (not a native range input) lacks keyboard accessibility and mass/density/volume fields are static rather than truly "live."