ResearchBenchmarksObject Placement on Classroom 8x8 m, rect.Object Placement on Classroom 8x8 m, rect.Follow64.4Number of ObjectsHolodeck12.71226.13139.5552.969Mar 12, 2026Evaluation resultsMethodMethodLinksNumber of ObjectsNumber of Small ObjectsObject Metric (OB)Connectivity Metric (CN)Reachability (%)Realism (%)Diversity (%)Layout Success (%)Holodeck2026.0364.425.200800515.9MANSION2026.0357.319.80010096.145.180.4LayoutGPT2026.0314.7000.598.63.93.913.7