HTML Sonnet #13
3.9
Evaluation
3.9 avg
7.5 physics accuracy
6.5 design quality
3 animation quality
2.5 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

Implements a generic Archimedes buoyancy simulator with horizontal sliders and a single generic object — no crowns, no vertical crown-dipping slider, no Heureka animation, no two-crown comparison, fundamentally missing the core prompt requirements.

6,548 output tokens · claude-sonnet-4-6 · end_turn

Implements a generic Archimedes buoyancy simulator with horizontal sliders and a single generic object — no crowns, no vertical crown-dipping slider, no Heureka animation, no two-crown comparison, fundamentally missing the core prompt requirements.