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Hallucination (artificial intelligence)

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In artificial intelligence (AI), a hallucination or artificial hallucination (also occasionally called delusion) is a confident response by an AI that does not seem to be justified by its training data. For example, a hallucinating chatbot with no knowledge of Tesla's revenue might internally pick a random number (such as "$13.6 billion") that the chatbot deems plausible, and then go on to falsely and repeatedly insist that Tesla's revenue is $13.6 billion, with no sign of internal awareness that the figure was a product of its own imagination.Such phenomena are termed "hallucinations", in analogy with the phenomenon of hallucination in human psychology. Note that while a human hallucination is a percept by a human that cannot sensibly be associated with the portion of the external world that the human is currently directly observing with sense organs, an AI hallucination is instead a confident response by an AI that cannot be grounded in any of its training data. AI hallucination gained prominence around 2022 alongside the rollout of certain large language models (LLMs) such as ChatGPT. Users complained that such bots often seemed to "sociopathically" and pointlessly embed plausible-sounding random falsehoods within its generated content. Another example of hallucination in artificial intelligence is when the AI or chatbot forget that they are one and claim to be human.By 2023, analysts considered frequent hallucination to be a major problem in LLM technology.

Hallucination (artificial intelligence) - Wikipedia Jump to content From Wikipedia, the free encyclopedia This article needs to be updated . Please help update this article to reflect recent events or newly available information. ( July 2026 ) Erroneous AI-generated content This article is about AI presenting fabricated information as fact. For AI-induced psychosis in humans, see Chatbot psychosis . Not to be confused with Artificial imagination . A video of the Glenfinnan Viaduct in Scotland generated by Sora , incorrectly showing: a second track , trains traveling on the right instead of the

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