Eli Lilly vs Merck
Eli Lilly leads Merck by 4.6 points on the Fameproof index, and wins 3 of the three models. Measured across 1,200 prompts per model per week.
Eli Lilly
Pharmaceuticals
78.3/100
Rank 32 on the companies board
Merck
Pharmaceuticals
73.7/100
Rank 55 on the companies board
Eli Lilly
Per-model score
Merck
78.3
Claude
74.4
77.0
ChatGPT
73.8
79.6
Gemini
72.9
30-day movement
+1.4
Change
+1.9
Last 7 runs
Answer quality
74%
Claude mention rate
72%
75%
ChatGPT mention rate
71%
79%
Gemini mention rate
72%
2.3
Claude avg. position
2.6
2.0
ChatGPT avg. position
2.5
2.2
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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