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What Can't Jev Decide? Probing the Limits of One-Pass Decision Models

Wang Yang, Xinpeng Li, Yanyan Zhang, Chuang Ma, Shouren Wang, Jianzhe Wei, Liqin Ye, Xiaoran Cai, Mohsen Hariri, Vipin Chaudhary, Xiaotian Han

Tests models that choose among options in one forward pass without generating reasoning text. Separates retrieval from combining state updates and examines how similar distractor records and stale summaries affect decisions.

First public: · Added to this list: October 22, 2026

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ArXiv preprint

arXiv:2610.24929 · Initial submission: 2026-10-18

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Analysis and evaluation — Measure how well these methods work, investigate what their internal computation does, and identify where they fail. This includes experiments, studies of model internals, and mathematical results.