ELI5: ai hallucination

high confidence

March 27, 2026

// explanation

// eli5Imagine a robot that's really good at guessing what comes next in a story. Sometimes it guesses so confidently that it makes up facts that aren't real—like saying a president was born in a city where he wasn't, or describing a movie that doesn't exist. The robot isn't trying to trick you; it's just so focused on finding patterns that it creates false information and presents it as if it's true. [1][3]

// sources

[1]What Are AI Hallucinations? - IBM

AI hallucinations are when a large language model (LLM) perceives patterns or objects that are nonexistent, creating nonsensical or inaccurate outputs.

[2]What AI hallucination actually is, why it happens, and what we can ...

Dec 10, 2025 ... Researchers argue that artificial intelligence (AI) can give an illusions of understanding - we understand more than we actually do. Such ...

[3]Hallucination (artificial intelligence) - Wikipedia

a response generated by AI that contains false or misleading information presented as fact. [5] [6] This term draws a loose analogy with human psychology.

[4]What are AI hallucinations? - Google Cloud

AI hallucinations are incorrect or misleading results that AI models generate. These errors can be caused by a variety of factors, including insufficient ...

[5]Why is it called a hallucination when an AI is simply wrong? - Reddit

Jun 30, 2023 ... AI hallucinates when the input it receives that reflects reality is ignored in favor of misleading info created by its algorithm. It's a similar ...

[6]Why Large Language Models Hallucinatevideo

Video by IBM Technology

[7]AI Hallucinations Explainedvideo

Video by Moveworks

[8]AI Hallucination explained #coding #softwareengineeringvideo

Video by NextWork

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