Verified80% confidenceFactTime unknown
LLMs have a hallucination problem, in which they generate factually incorrect information with high confidence.
9
Sources
80%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedHallucination refers to LLMs generating plausible-sounding but factually incorrect information89% similarVerifiedLLMs may make incorrect judgments due to hallucinations, prompt injection, or contextual misunderstanding, and without independent verification mechanisms, faulty reasoning can directly translate into erroneous production operations77% similarUnverifiedHallucination is more likely to occur on factual details, cited sources, and numbers.75% similar
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