HTML Sonnet #63
3.9
Evaluation
3.9 avg
7.5 physics accuracy
6.5 design quality
3.5 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

A well-built general Archimedes simulator with correct physics and live values, but it completely misses the prompt's core requirements: no two crowns, no crown-fall animation, no vertical dipping slider, no rising water level, no splash effects, and no Heureka moment — it is essentially a different application.

8,273 output tokens · claude-sonnet-4-6 · end_turn

A well-built general Archimedes simulator with correct physics and live values, but it completely misses the prompt's core requirements: no two crowns, no crown-fall animation, no vertical dipping slider, no rising water level, no splash effects, and no Heureka moment — it is essentially a different application.