ResearchBenchmarksQuestion Answering on Natural Questions (NQ) (CoverEM Metric)Follow48.5CoverEMGPT-4o37.99640.72343.4546.177Apr 13, 2026Evaluation ResultsMethodMethodLinksCoverEMGPT-4o2026.0448.5GRIP2026.0441.2GainRAG2026.0439.1DRAGIN2026.0438.4