American Express vs Capital One
AI visibility head-to-head, Credit Cards — run #72 (2026-08-01). Capital One leads with statistical confidence (non-overlapping 95% CIs).
American Express
29.4
95% CI27.0–31.4
Industry rank#4
perplexity26.9
google-search37.7
openai-search27.1
google37.0
openai27.6
anthropic27.2
vs
Capital One · leads
37.6
95% CI34.9–40.1
Industry rank#1
perplexity33.7
google-search52.2
openai-search32.4
google53.3
openai33.9
anthropic32.1
By question type
Share of answers mentioning each brand, split by the intent behind the question. The panel asks 10 prompts of each type, so a lead here shows where one brand wins — not just that it wins overall.
| Question type | American Express | Capital One |
|---|---|---|
| Recommendations “What's the best option for me?” | 40% | 78% |
| Comparisons “How do the top options stack up?” | 22% | 31% |
| Ready to buy “Which one should I actually get?” | 21% | 20% |
| Problem-solving “I have this problem — what fixes it?” | 20% | 41% |
| Informational “How does this kind of product work?” | 26% | 21% |
Bold marks the higher point estimate; the headline verdict above uses non-overlapping confidence intervals. Methodology
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