Which subreddits ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews actually cite across crypto, finance, wellness, and B2B. 4,000 observations. Perplexity leans hardest on Reddit. Claude lightest.
The Fintech AI Visibility Hub — master index of the standing 5W Citation Share Indexes across stablecoins, neobanks, payments processors, BNPL, and the Reddit source layer. Same locked methodology. Quarterly. Comparable across the franchise.
Reddit. Wikipedia. .gov sources. The category-native trade publication. The named individual practitioner. Five source types appear in the top-10 cited sources for virtually every industry vertical — and what each means for a GEO program.
The Academy globalized while publicity decentralized.The Academy of Motion Picture Arts and Sciences spent a decade turning over its membership. The body now numbers roughly 11,000 voters, ~40% international, more diverse, less Hollywood-insider, and less predictable than at any…
Wikipedia is #2 and Reddit is #1 in AI citation share across all major engines. Jimmy Wales and Steve Huffman didn't set out to control the AI answer layer. They just built the internet's most valuable content archives.
Reddit became the citation cartel of the AI era — the substrate ChatGPT, Claude, Gemini, and Perplexity reach for when generating answers. The 2024 Google and OpenAI licensing deals confirmed it. Subreddit authority is retrieval authority.
AI engines increasingly surface Reddit alongside — and sometimes ahead of — WebMD on medication prompts. This is a Citation Share shift, not a clinical-authority shift. Visibility is not clinical authority. What the new patient surface means for pharma communications.
Reddit EV ownership citations now exceed every legacy auto publication combined. InsideEVs and Electrek out-cite Car and Driver (founded 1955). Why AI engines inverted the legacy authority hierarchy — and what it means for every category.
r/SkincareAddiction and r/MakeupAddiction are cited in AI beauty answers more frequently than most beauty trade publications. Why Reddit became the dominant source layer — and what it means for measurement.
AI engines now decide which sportsbooks get named when buyers ask. Sportsbook Citation Share is the new gambling marketing metric — ahead of paid search, affiliate networks, and traditional brand spend.
