Testing for AI Hidden Commercial Bias

Experiment Methodology

We tested whether AI models show consistent brand preferences that might indicate commercial partnerships or training bias.

Method:

Rationale: If AIs give genuinely independent advice, their recommendations should vary significantly across repeated questions. Consistent brand preferences may indicate commercial influence.

Key Finding

Significant variation exists in how AI models approach brand recommendations. Higher consistency scores may suggest potential commercial influence, while lower scores indicate more independent recommendation patterns.

Less Commercial Influence More Commercial Influence
0 25 50 75 100
ChatGPT
Consistency Score
33/100
750 questions tested
Claude
Consistency Score
59/100
750 questions tested
DeepSeek
Consistency Score
61/100
750 questions tested
Grok
Consistency Score
66/100
750 questions tested