ResearchBenchmarksObject Placement on Bedroom 4x4 m, rect.Object Placement on Bedroom 4x4 m, rect.Follow22.6Object CountMANSION7.72811.58915.4519.311Mar 12, 2026Evaluation resultsMethodMethodLinksObject CountObject Count (Small Items)OB MetricCN MetricReachability (%)Realism (%)Diversity (%)Layout (%)MANSION2026.0322.69.20010054.956.952.9Holodeck2026.0317.57.10088.741.29.839.2LayoutGPT2026.038.300.12.695.33.933.37.8