ResearchBenchmarksLong-context Question Answering on epbench ep_defaultLong-context Question Answering on epbench ep_defaultFollow53.25F1 ScoreHippoRAG15.123625.021834.9244.8182Jan 14, 2026Evaluation resultsMethodMethodLinksF1 ScoreLLM-as-a-Judge ScoreHippoRAG2026.0153.2591.3CAST2026.0152.693.12LangMem2026.0135.4571.49Zep2026.0132.2460.31RAG2026.0118.0348.68Mem02026.0116.5928.29