The Authority Gap
How AI separates trust from recommendation across the buyer journey, and why the overlap between them is far smaller than the market assumes.
Published research from the GOSH AI ARDI™ Division, the methodology behind the ARDI™ Intelligence Platform. Methodology-grade observation of how the world's leading AI models behave across the buyer journey, by category, by geography, and over time.
AI cites thousands of brands across the buyer journey. It recommends almost none of them. Fewer than 1% earn both, in every category we measured.
Every ARDI™ paper, published and in development. Filter by track or search the corpus.
How AI separates trust from recommendation across the buyer journey, and why the overlap between them is far smaller than the market assumes.
Quantifying the gap between brands AI surfaces from real-time search and brands embedded in foundational training data.
Five health and wellness categories, five structurally distinct AI recommendation marketplaces, and why AI defers to institutional authority over commercial brands.
How consumer packaged goods brands are being cited as authority sources versus recommended directly to consumers across AI models.
A technical overview of the ARDI™ observation platform, including the dual-path methodology, prompt taxonomy, and entity resolution framework.
ChatGPT, Claude, Gemini, Perplexity, Grok, Microsoft Copilot, and Google AI Overviews do not recommend the same brands. The variance between them reveals how each model forms its judgments.
Each ARDI™ release covers a specific dimension of AI brand visibility. Be first to read the next paper.