A Wired journalist tested ChatGPT's new ad system by asking 500 questions to reveal which advertisements appear most frequently on the free tier.

OpenAI has begun rolling out advertisements on ChatGPT's free tier across the United States

A journalist conducted an experiment asking ChatGPT 500 questions to analyze ad patterns and relevance

The study examined whether advertisements were contextually related to user prompts and queries

The findings reveal which ad categories and companies appear most frequently to free tier users