ResearchBenchmarksKnowledge-based Visual Question Answering on A-OKVQA n=1145 (held-out)Follow0.3805Per-Class LossΠ20.3791680.3881590.397150.406141May 7, 2026Evaluation ResultsMethodMethodLinksPer-Class LossΠ2Controller Class=Π2 (S...Controller Class=Π2 (Selective-C=0.3), CV protocol=Strict nested 5-fold-by-5-seed2026.050.3805Π1Controller Class=Π1 (K...Controller Class=Π1 (KMeans-K=4), CV protocol=Strict nested 5-fold-by-5-seed2026.050.3902Π0Controller Class=Π0 (d...Controller Class=Π0 (direct policy), CV protocol=Strict nested 5-fold-by-5-seed2026.050.4138