HomeBench

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Reproduce the floor plan as accurately as possible from the drawing as a 3D model. See the drawing for all dimensions and spatial relationships. Note: the drawing shows room dimensions in feet and inches (e.g. 13′×13′, 18′×14′4″, 11′5″×10′). The overall bounding box of the main living area is approximately 50′-0″×40′-0″.

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Main Level Floor Plan
Ground Truth
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GPT 5-5 Extra High
Time4:27
Cost$1.08
Tokens35,150
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Claude Opus 4.8 High
Time8:35
Cost$0.45
Tokens18,803
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Higharc Charette 0.9
Time0:39
Cost$0.05
Tokens1,418