McDonald's vs Costco

McDonald's leads Costco by 3.0 points on the Fameproof index, and wins 3 of the three models. Measured across 1,200 prompts per model per week.

McDonald's

Per-model score

Costco

82.0

Claude

77.5

81.2

ChatGPT

78.7

81.6

Gemini

79.5

30-day movement

+1.1

Change

−0.2

Last 7 runs

Answer quality

80%

Claude mention rate

78%

81%

ChatGPT mention rate

75%

80%

Gemini mention rate

79%

1.7

Claude avg. position

2.3

1.8

ChatGPT avg. position

1.9

Gemini avg. position

1.9

Both are ranked on the Company AI Visibility board. Lower average position is better — it means the model names them earlier in its answer.