Wherever AI systems are used in daily life, their hallucinations can pose risks. Some may be minor – when a chatbot gives the wrong answer to a simple question, the user may end up ill-informed.

Your news feature outlines how designers of large language models (LLMs) struggle to stop them from hallucinating (see Nature 637, 778–780; 2025). But AI confabulations are integral to how these ...

Goldman Sachs, Citigroup, JPMorgan Chase and other Wall Street firms are warning investors about new risks from the increasing use of artificial intelligence, including software hallucinations ...