Insights
What we measured, including the parts that weaken the finding.
We publish our own research the way we report a customer’s numbers: with the method, the sample size, and the runs that failed. Where a study is too small to support a rate, we say so and report no rate.
Original measurement · 30 July 2026
The ChatGPT you measure is not the ChatGPT your buyers use
Same commercial prompts, same minute, two surfaces. One shared domain out of seven on the first prompt, and zero shared recommendations on the second. Full per-prompt data, including the run that came back empty.
Case study · 30 July 2026
We fact-checked a Google AI Mode answer against the vendor's own docs
An AI Mode answer described a data vendor's product as covering assistants its own documentation does not commit to. We were the buyer, and the gap changed our integration plan.