eBay vs Starbucks
eBay leads Starbucks by 8.0 points on the Fameproof index, and wins 2 of the three models. Measured across 96 prompts per model per week.
eBay
E-commerce
17.0/100
Rank 72 on the companies board
Starbucks
Restaurants
9.0/100
Rank 84 on the companies board
eBay
Per-model score
Starbucks
—
Claude
—
19.0
ChatGPT
18.0
15.0
Gemini
0.0
30-day movement
0.0
Change
+9.0
Last 7 runs
Answer quality
undefined%
Claude mention rate
undefined%
6%
ChatGPT mention rate
2%
6%
Gemini mention rate
0%
undefined%
Claude prominence
undefined%
1%
ChatGPT prominence
1%
2%
Gemini prominence
0%
Questions about this comparison
Who do AI models mention more, eBay or Starbucks?
eBay. It scores 17.0 on the Fameproof index against 9.0 for Starbucks — a lead of 8.0 points, measured across ChatGPT and Gemini in the run of 5 August 2026.
How is the eBay vs Starbucks comparison measured?
Both are asked about with the same panel of category questions — never questions naming them — repeated on every model each week. The score combines how often each is named, how early in the answer, how much of the topic is covered and how consistent the result is.
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. How the score is built.
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