HTML Opus #26
4.2
Evaluation
4.2 avg
6.5 physics accuracy
7 design quality
5.5 animation quality
2 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

This is a general Archimedes buoyancy simulator with a single draggable cube and density/size/fluid sliders — it has no crowns, no vertical immersion slider, no splash effects, and no Heureka animation, missing nearly every crown-specific requirement of the prompt.

10,965 output tokens · claude-opus-4-6 · end_turn

This is a general Archimedes buoyancy simulator with a single draggable cube and density/size/fluid sliders — it has no crowns, no vertical immersion slider, no splash effects, and no Heureka animation, missing nearly every crown-specific requirement of the prompt.