Why ChatGPT Recommends Some Brands Over Others (A Buyer’s Investigation)
4 mars 2026· 13 min de lecture

Why ChatGPT Recommends Some Brands Over Others (A Buyer’s Investigation)

Par Olivier Leclerc

Rédigé avec l'IA, relu et publié par Olivier Leclerc.

If ChatGPT keeps recommending the same brands, it’s usually not “ads”—it’s the result of training data patterns, popularity bias, prompt framing, and sometimes outdated information. This buyer’s investigation shows you how those recommendations are formed and gives a practical method to verify claims, find better-fit alternatives, and make confident decisions.