Most AI visibility tools give one opaque score. AI Search Vitals keeps the evidence instead: it runs your buyer prompts across ChatGPT, Claude, Gemini and DeepSeek, then stores the model, market, run time and every citation. - Mention rate, position, citation rate per channel - Share of voice vs up to 20 competitors - Raw answers with sources kept per observation - GEO audits: crawlability, content, AI Query Expansion - Scheduled runs, history, CSV export Observations, not official rankings.