American Express
PaymentsNot measured in this run.
American Express scores 42.5 out of 100 on the Fameproof index, ranking 44 of 120 companies measured in the run of 5 October 2026. The index is the mean of the per-model scores below.
The models broadly agree: ChatGPT 43.0, Gemini 42.0, within 1.0 points of each other.
ChatGPT names American Express in 40% of answers and places it early enough to score 14% on prominence; Gemini names it in 42%.
Across the 24-prompt panel there are 17 prompts where at least one model does not name American Express at all — those are the answers a competitor is winning instead, and the table below shows which.
Measured inside payments rather than the wide financial services pool, American Express scores 36.5 — the fairer question for a buyer already shopping that market, though it cannot be compared across markets.
Prompt performance
Position when mentionedHead to head
Who the models name more often, side by side.
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Finance, nearest on the index.
Questions about this score
What is American Express's AI visibility score?
American Express scores 42.5 out of 100 on the Fameproof index, ranked 44 of 120 companies, measured on 5 October 2026 across ChatGPT and Gemini.
Which AI model mentions American Express most?
ChatGPT, at 43.0 out of 100, naming American Express in 40% of the answers in its panel. The per-model breakdown is above.
How is American Express's score measured?
With a panel of 24 category questions asked 4 times per model — never questions that name American Express, because a prompt that names you guarantees a mention. The score combines how often it is named, how early in the answer, how much of the topic it covers, and how consistent the result is between repetitions. Full methodology.