ResearchBenchmarksLinguistic Acceptability on CoLA (OOD)Follow23.06MCCDIRECTOR18.244819.494920.74521.9951Feb 9, 2026Evaluation ResultsMethodMethodLinksMCCECENLLBrier ScoreDIRECTORbase_model=Transformerbase_model=Transformer2026.0223.0628.7217.1859.91DIRECTORbase_model=KEP-1/5base_model=KEP-1/52026.0222.117.59.3449.92KEPconfig_ratio=5/5config_ratio=5/52026.0221.1423.2714.2555.12DIRECTORbase_model=KEP-5/5base_model=KEP-5/52026.0220.217.498.6148.55KEPconfig_ratio=1/5config_ratio=1/52026.0219.4430.3319.6761.97Transformer2026.0218.4331.9923.8265.5