Spinning up
Live
+312AI citations this month
Press⌘Kto search
Spinning up
GEO / AI Search
Definition
Median time before an AI citation drops out of typical response sets unless the source is refreshed. In the Xpand Q1 2026 corpus, citation half-life across the five tracked engines was 91 days.
Related terms
Generative Engine Optimization
GEOThe practice of engineering content, schema, and entity authority so a brand is cited inside generative AI answers. Targets ChatGPT, Gemini, Perplexity, Claude, and Microsoft Copilot. Built on entity disambiguation, structured data, citation-bait content, and llms.txt.
Citation Bait
Content elements specifically designed to be quoted by AI engines. The four highest-ROI patterns are original data tables, named thresholds, before/after examples, and process timelines. Each article should include at least one.
Same category
We run GEO / AI Search-led engagements every week. A 20-minute call gets you a read on whether citation half-life is the right next move for your stack.