BrickAGI benchmark

models / gpt-5.4-mini / task 0016

#0016 slatted-bench hard

gpt-5.4-mini · scaffold-assembly-v1

CaSS 0 BOM 0 Scope 0 Build —
← 0015 drawbridge 0017 small-house →
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Model did not converge

model produced a non-conformant assembly (assembly instance counts must exactly match final_bom.parts quantities)

Task brief

Design a LEGO park bench with a wooden slatted look: a long flat seat 12 studs wide and 4 studs deep, supported by two end frames each 4 bricks tall with a triangular brace, and a slatted backrest 12 studs wide and 4 plates tall rising from the back of the seat. The seat surface should show a striped slat pattern by alternating brown and dark brown 1×N plates laid lengthwise. Output a BOM.