Share of Answer is the percentage of relevant buyer questions for which an AI engine names your brand in its answer, compared with your competitors.
It is the AI-era counterpart of share of voice. Instead of counting ad impressions or search rankings, it counts how often assistants such as ChatGPT, Claude or Perplexity recommend you when shoppers ask questions about your category.
Because AI answers vary from one run to the next, Share of Answer is measured over a fixed set of questions, asked to several engines on a regular schedule, and read as a trend. See the three numbers to track.