How do you measure Public Relations success in an AI world? Impressions are irrelevant. Clicks are vanishing. We introduce Share of Model (SOM).

What is SOM?

Share of Model measures the frequency with which an LLM promotes your brand for relevant queries compared to competitors within its generated output. It is the probabilistic likelihood of your brand being the “answer.”

The SOM Formula

SOM = (P(Brand | Intent) / Sum(P(Competitors | Intent)))