HTML Sonnet #08
4.0
Evaluation
4.0 avg
7.5 physics accuracy
6.5 design quality
4 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

Implements a competent general Archimedes buoyancy simulator with correct physics and live readouts, but completely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same-mass-different-density setup, a vertical slider controlling crown submersion, fall/splash animations, rising water level, and the Heureka moment.

8,418 output tokens · claude-sonnet-4-6 · end_turn

Implements a competent general Archimedes buoyancy simulator with correct physics and live readouts, but completely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same-mass-different-density setup, a vertical slider controlling crown submersion, fall/splash animations, rising water level, and the Heureka moment.