ResearchBenchmarksTabular Anomaly Detection on Letter RecognitionFollow0.632AUC ROCSLAD0.28880.37790.4670.5561Feb 8, 2026Evaluation ResultsMethodMethodLinksAUC ROCSLAD2026.020.632AnoLLM-135Mbackbone=SmolLM-135Mbackbone=SmolLM-135M2026.020.51CausalTAD-135Mbackbone=SmolLM-135Mbackbone=SmolLM-135M2026.020.51ECOD2026.020.454RCA2026.020.445DeepSVDD2026.020.417KNN2026.020.4DTE2026.020.38REPEN2026.020.363ICL2026.020.355NeuTral2026.020.344IForest2026.020.316GOAD2026.020.307PCA2026.020.302