How ChatGPT Does Query Fan-Out (15 Million Queries Studied)
Ahrefs analyzed 66.6 million responses from the GPT-5.6 Luna model to investigate its query fan-out behavior. The study reveals that only 14.4% of responses trigger external search queries to retrieve information.
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Impact & Verification Analysis
SEO professionals, digital marketers, and content strategists.
Understanding the specific trigger rate for AI search queries allows stakeholders to optimize content for AI visibility and predict how often their web properties are accessed by the GPT-5.6 Luna model.
Full Fact Overview
The analysis focuses on the internal retrieval mechanisms of the GPT-5.6 Luna model, specifically how it decides to perform 'fan-out' queries to external sources. By examining 15 million fan-out queries across 66.6 million interactions, the data provides empirical evidence on the frequency and triggers of AI-driven search behavior, which directly impacts SEO and content visibility strategies.