REDE denoises reasoning traces to boost hallucination detection in large reasoning models
NanyangTechnologicalUniversity · hf · 2026-07-28
REDE cleans noisy reasoning traces to improve hallucination detection
Large reasoning models often produce long chains of thought that contain irrelevant or repetitive steps, which makes hallucination detection harder. The paper identifies these two noise types and shows they can significantly hurt detection accuracy.
To solve this, the authors propose REDE, a framework that uses final-answer attention as supervision to reshape step-level representations. After filtering noisy steps, REDE can be plugged into different hallucination detectors. Across multiple reasoning benchmarks, it consistently improves performance over strong baselines.
Related event: REDE Denoises Reasoning Traces to Detect LLM Hallucinations(2 posts)→
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