AI engines have replaced demographic audience segmentation. ChatGPT, Claude, Gemini, and Perplexity group buyers by the prompts they type — surfacing 14 primary consumer segments that are intent-shaped, not demographic.
Age and income tell you who bought. Behavior tells you why they bought, when they'll buy again, and what to send them next. The category guide.
Audience segmentation is the discipline of dividing a brand's potential market into groups the brand can address with tailored messaging. The four classical models, the major archetypes, and the disciplines that separate sharp segmentation from generic targeting.