Hallucination
When an AI states something false with confidence: a made-up citation, function, or fact. Still the main reason to verify AI output.
“It hallucinated a WordPress hook that doesn't exist.”
See also
In the history of AI
One of the Essentials
Hallucination is one of 20 Essential terms: the words you need to follow a news story or a work meeting about AI. It entered common use around 2023.