American Express vs Visa
American Express leads Visa by 0.2 points on the Fameproof index, and wins 2 of the three models. Measured across 1,200 prompts per model per week.
American Express
Payments
76.4/100
Rank 41 on the companies board
Visa
Payments
76.2/100
Rank 42 on the companies board
American Express
Per-model score
Visa
77.3
Claude
76.5
76.8
ChatGPT
76.0
75.1
Gemini
76.1
30-day movement
+0.8
Change
−0.5
Last 7 runs
Answer quality
77%
Claude mention rate
75%
75%
ChatGPT mention rate
75%
72%
Gemini mention rate
76%
2.2
Claude avg. position
2.1
2.1
ChatGPT avg. position
2.0
2.5
Gemini avg. position
2.3
Both are ranked on the Company AI Visibility board. Lower average position is better — it means the model names them earlier in its answer.
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