Skip to content
AI Smarts
All lessons

Lesson 2 of 8 · 6 min

When It Makes Things Up

Wrong answers arrive looking exactly like right ones.

Big idea: If a detail matters, check it outside the chat before you repeat it as fact.

Card 1 of 4

There's a word for it

When an AI states something false as though it were solid fact, that is called a hallucination. It isn't lying — lying needs an intention to deceive. It is producing text shaped exactly like a correct answer, with the facts filled in by what seemed to fit. Real lawyers have been fined for handing in AI-invented court cases. It happens to grown-up professionals, so assume it can happen to you.