Research
The 50 Subreddits AI Engines Cite Most: Inside Reddit's Citation Map 2026
Reddit is 40% of AI citations. Inside Reddit, 50 subreddits do the work. The first published ranking of which communities ChatGPT, Claude, Gemini cite most.
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subreddits
AI Visibility
The Reddit Citation Share Index 2026: Perplexity Lives on Reddit
The inaugural Reddit Citation Share Index 2026 — which subreddits ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews actually cite across crypto, finance, wellness, and B2B. 4,000 observations. Perplexity leans hardest. Claude lightest.
PR, AI & Communications News
Reddit: The Citation Cartel
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.