Observed Signal · Aug 20, 2026 · Research Report · Source: https://martech.org/feed/ · Impact: 3/5 · Sentiment: Negative
Business sites dominate Gemini’s local AI citations
Steady Demand analyzed 1,487 local-service queries (14,472 citations) across 50 U.S. metropolitan areas and 10 verticals, finding AI-driven discovery is fragmented across engines, locations, and categories. Gemini cited business websites in nearly 60% of cases—outperforming directories, review platforms, and forums—while ChatGPT cited Reddit and directories more often. Repeating identical Gemini queries produced overlapping cited sources only about 40% of the time (grounding drift), and Gemini returned the same top business in roughly 7% of repeats. Cross-engine overlap was low: Gemini and ChatGPT cited the same domains only ~8% of the time and named the same top business in 4.2% of identical prompts. By contrast, Google’s local pack showed ~90% top-result stability. The report recommends SMBs monitor multiple AI engines and run repeated queries to measure AI visibility.
Study reveals how major LLM-based search answers surface different sources and vary widely across runs and platforms, with direct implications for local SEO, measurement, and AI visibility monitoring.
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Key Takeaways & Evidence Grounding
- Scope: 1,487 local-service queries, 14,472 citations, across 50 U.S. metropolitan areas and 10 verticals.
- Gemini cited business websites in nearly 60% of its citations, outpacing directories, review platforms and forums; Reddit accounted for 13.7% of citations overall.
- Repeating identical Gemini queries produced overlapping cited sources only ~40% of the time (grounding drift) and returned the same top business in ~7% of repeats; Google’s local pack showed ~90% top-result stability.
- Cross-engine overlap was low: Gemini and ChatGPT cited the same domains about 8% of the time and named the same top business in 4.2% of identical prompts.
- Recommendation: SMBs should monitor multiple AI engines and run repeated queries, recording named businesses and cited sources to measure AI visibility.
Connected Companies & Entities
7 Entities mapped“Reddit ranked second, accounting for 13.7% of citations. It outperformed the entire local-service directory category, including Angi, Thumbt...”
“Reddit ranked second, accounting for 13.7% of citations. It outperformed the entire local-service directory category, including Angi, Thumbt...”
“Reddit ranked second, accounting for 13.7% of citations. It outperformed the entire local-service directory category, including Angi, Thumbt...”
“In a control test, Google’s local pack returned the same top listing about 90% of the time....”
“The same 1,487 local search queries were also run through ChatGPT:...”
“MarTech is owned by Semrush Inc....”
Ontology Mapping & Concepts
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Muck Rack Report: Earned Media Drives 84% of AI Citations
Muck Rack released the May 2026 edition of its What Is AI Reading? study (Generative Pulse), analyzing more than 25 million links across 17 industries. The report finds earned media accounts for 84% of AI citations across ChatGPT, Claude and Gemini, while paid/advertorial content represents only 0.3%. Journalism comprises 27% of all cited sources, with over half of journalism citations coming from articles published within the prior 12 months. Citation behavior differs by model: ChatGPT cites sources in 96% of responses (avg. 5 citations), Gemini in 82% (avg. 8), and Claude in 55% (avg. 13). Platform-specific top sources include Wikipedia (ChatGPT), PubMed Central (Claude) and Reddit (Gemini).
Previsible Report: Google Central; ChatGPT Leads LLM Referrals
Previsible released the third edition of its AI Traffic Study (Nov 2024–May 2026), analyzing 6.77 million AI-driven search sessions across 166 websites. The report finds AI discovery inside Google (via AI Overviews and AI Mode) drives more AI-influenced traffic than all standalone LLM assistants combined. Among standalone LLMs, ChatGPT accounted for 92.4% of trackable referral traffic. Gemini grew 3.2x to become the second-most visible model, while Claude grew 64x and overtook Perplexity in March 2026. The study also found e-commerce content saw AI referral traffic increase 37x. Previsible’s authors recommend citation-worthy content, authority-building, AI accessibility, answer-journey optimization, and measuring business impact to win AI-driven discovery.
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