AI visibility is the degree to which a brand is named, cited, or recommended inside the answers that AI assistants such as ChatGPT, Gemini, Perplexity, Claude, and Google AI Overviews generate. It is the AI-era counterpart to ranking in search results, measuring presence inside answers rather than position in a list of links.
It spans three outcomes: being mentioned by name, being cited as a source, and being recommended when a buyer compares options. Brands track it with metrics like visibility score and share of voice across a defined set of prompts, read as a trend over time.