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.