Letting an AI do your shopping might not get you the best deal. Researchers at the Wharton School show how erratic AI shopping agents really are: a single external source like Wirecutter shifted product picks by up to 99 percentage points, and even changing the order of identical information altered the outcome.

When an AI agent buys the wrong thing, someone pays. Build the system that can show, with evidence, that it isn't you.

Letting an AI do your shopping might not get you the best deal. Researchers at the Wharton School show how erratic AI shopping agents really are: a single external source like…