
A data-driven framework for marketing leaders to measure GEO performance, prove ROI to executives, and secure budget for AI search optimization in 2026.
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The Complete Guide to GEO Metrics
The definitive guide to measuring AI visibility. Core metrics, industry benchmarks from 500+ brands, advanced insights, and actionable optimization strategies for ChatGPT, Claude, Perplexity, and other AI platforms.
Query Fan-Out: ChatGPT Runs 3.5x More Searches Than Perplexity (102K Queries Analyzed)
Analysis of 102,018 AI queries reveals the truth: query fan-out varies by provider. Perplexity: 70.5% single-query. ChatGPT: 32.7% single-query. This provider-specific behavior is the hidden factor determining who wins in AI search.