ResearchBenchmarksLegal Question Answering on 20-question scored setLegal Question Answering on 20-question scored setFollow18Document Bound (Ties/18)navindex12.814.1515.516.85Jul 7, 2026Evaluation resultsMethodMethodLinksDocument Bound (Ties/18)Context Reduction Ratio (×)Mean Answer Context Size (K)Navigation Cost (USD)Injection Cost (USD)navindexVariant=Config-6 (toke...Variant=Config-6 (token-opt.)2026.07181.612.91.211.61navembedVariant=RUN-012 (sem.+...Variant=RUN-012 (sem.+rerank)2026.071617.39.40.641.61navembedVariant=RUN-009 (GTE)Variant=RUN-009 (GTE)2026.071329.95.50.411.62