ResearchBenchmarksLanguage Modeling on dolma_reddit (val)Language Modeling on dolma_reddit (val)Follow43.802PerplexityHi-MoE-7B43.6731644.5428345.412546.28217May 8, 2026Evaluation resultsMethodMethodLinksPerplexityRelative Change (%)Hi-MoE-7Btransformer layers=16,...transformer layers=16, hidden size=2048, experts=64, routing=top-k=8, grouping=4 hierarchical groups, experts per group=22026.0543.802-6.8OLMoE-7Btransformer layers=16,...transformer layers=16, hidden size=2048, experts=64, routing=top-k=82026.0547.023—