ResearchBenchmarksRobustness Evaluation on Lexical Variation synonymFollow0.013Jensen-Shannon DivergenceMamba-0.0119320.1563590.324650.492941Feb 12, 2026Evaluation ResultsMethodMethodLinksJensen-Shannon DivergenceMamba2026.020.013ProtoAttn2026.020.1132LLaMA2026.020.145DeltaNet2026.020.6363