ResearchBenchmarksRobustness Evaluation on Lexical Variation spellingFollow0.0054Jensen-Shannon DivergenceMamba-0.0085720.0857390.180050.274361Feb 12, 2026Evaluation ResultsMethodMethodLinksJensen-Shannon DivergenceMamba2026.020.0054ProtoAttn2026.020.026LLaMA2026.020.0634DeltaNet2026.020.3547