Ternith Research

What does AI actually do when it picks a brand?

Pre-registered studies run on the same measurement instrument behind every diagnosis. Every number is committed before we look at the data.

  • How does ChatGPT decide which brands to name?

    We logged every URL ChatGPT fetched before naming a skincare brand, registered one number before looking, and found that 88.6% of what the model read was third-party pages — not brand sites. One word in the question swings the own-site-fetch rate by a factor of ten.

    20 July 2026