How Do Uncertainty Estimators Align with Hallucination Occurrence in LLMs?

arXiv:2605.27016 · cs.CL, cs.AI, cs.LG, stat.ML · Submitted 2026-05-26 · Read on arXiv

cs.CL, cs.AI, cs.LG, stat.ML

Submitted: 2026-05-26

Updated: 2026-10-12

Terminology

• Hallucination — 9× in this paper · explained in 4 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes

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