Why ChatGPT Recommends Some Brands Over Others (A Buyer’s Investigation)
March 4, 2026· 13 分で読めます

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

著者: Olivier Leclerc

AIで下書きし、Olivier Leclercが確認して公開しています。

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it’s usually not “ads”—it’s the result of training data patterns, popularity bias, prompt framing, and sometimes outdated information.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.