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Large Language ModelsOpen-Source AIAI Business & Industryr/MachineLearningPublished: Oct 13, 2026, 06:00 JST

U-Space's U-Lens tops multi-pass baselines on uncertainty

U-Space's U-Lens tops multi-pass baselines on uncertainty

U-Space introduced the U-Lens, a label-free, single-pass uncertainty score for open-weight reasoning models, built from hidden-state "doubt" directions times mean token entropy.

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