Unverified60% confidenceFactExact time
Hallucination refers to LLMs generating plausible-sounding but factually incorrect information
2
Sources
60%
Confidence
Long-term
Relevance
8/2/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedLLMs have a hallucination problem, in which they generate factually incorrect information with high confidence.89% similarUnverifiedHallucination is more likely to occur on factual details, cited sources, and numbers.74% similarUnverified大语言模型幻觉（Hallucination）在多轮对话或多步推理的Agent场景中危害被成倍放大，形成「幻觉级联」（Hallucination Cascade）69% similar
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