American Express vs BlackRock
American Express and BlackRock are level on the Fameproof index. Measured across 96 prompts per model per week.
American Express
Payments
55.5/100
Rank 35 on the companies board
BlackRock
Investment banking
55.5/100
Rank 36 on the companies board
American Express
Per-model score
BlackRock
—
Claude
—
60.0
ChatGPT
47.0
51.0
Gemini
64.0
30-day movement
−1.5
Change
+4.0
Last 7 runs
Answer quality
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Claude mention rate
undefined%
72%
ChatGPT mention rate
48%
56%
Gemini mention rate
72%
undefined%
Claude prominence
undefined%
23%
ChatGPT prominence
13%
17%
Gemini prominence
37%
Both are ranked on the Company AI Visibility board. Prominence reflects how early in an answer the model names them; mention rate is how often it names them at all.
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