Yijun Gong
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2026
TriLens: Per-Layer Logit-Lens Entropy for White-Box Hallucination Detection
TriLens is a white-box detector that monitors the entropy of three internal streams (attention, feed-forward, residual) at every layer of a language model to detect hallucinations by tracking how internal certainty forms.
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cs.AIRecentMay 31, 2026
TriLens: Per-Layer Logit-Lens Entropy for White-Box Hallucination Detection
Bohan Yang, Yijun Gong, Zhi Zhang, Ge Zhang +2 more
TriLens is a white-box detector that monitors the entropy of three internal streams (attention, feed-forward, residual) at every layer of a language model to detect hallucinations by tracking how inte…
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