{
 "measured_on": "2026-08-05",
 "prompts": 100,
 "note": "Same 100 buyer-intent prompts as the 2026-08-02 run, same capture methods (ChatGPT via ScrapingBee, the rest via BrightData), with Google AI Mode added.",
 "google_surfaces": {
  "Gemini": {
   "answers": 100,
   "unique_domains_per_answer": 3.43,
   "raw_citations_per_answer": 8.65,
   "distinct_domains_total": 265,
   "max_domains_in_one_answer": 7
  },
  "Google AI Mode": {
   "answers": 100,
   "unique_domains_per_answer": 16.38,
   "raw_citations_per_answer": 19.8,
   "distinct_domains_total": 1026,
   "max_domains_in_one_answer": 36
  },
  "Google AI Overviews": {
   "answers": 75,
   "unique_domains_per_answer": 10.17,
   "raw_citations_per_answer": 11.89,
   "distinct_domains_total": 519,
   "max_domains_in_one_answer": 25
  }
 },
 "surface_overlap": {
  "Gemini vs Google AI Mode": {
   "shared_domains": 153,
   "union": 1138,
   "jaccard_pct": 13.4
  },
  "Gemini vs Google AI Overviews": {
   "shared_domains": 109,
   "union": 675,
   "jaccard_pct": 16.1
  },
  "Google AI Mode vs Google AI Overviews": {
   "shared_domains": 277,
   "union": 1268,
   "jaccard_pct": 21.8
  }
 },
 "domains_cited_by_all_three": 93,
 "domains_cited_by_exactly_one_surface": 1011,
 "distinct_domains_across_all_three": 1364,
 "three_day_repeat": {
  "Perplexity": {
   "answers_2026_08_02": 100,
   "answers_2026_08_05": 100,
   "unique_domains_per_answer_2026_08_02": 7.58,
   "unique_domains_per_answer_2026_08_05": 7.99,
   "change_pct": 5.4
  },
  "ChatGPT": {
   "answers_2026_08_02": 100,
   "answers_2026_08_05": 98,
   "unique_domains_per_answer_2026_08_02": 3.64,
   "unique_domains_per_answer_2026_08_05": 3.51,
   "change_pct": -3.6
  },
  "Google AI Overviews": {
   "answers_2026_08_02": 91,
   "answers_2026_08_05": 75,
   "unique_domains_per_answer_2026_08_02": 10.0,
   "unique_domains_per_answer_2026_08_05": 10.17,
   "change_pct": 1.7
  },
  "Gemini": {
   "answers_2026_08_02": 100,
   "answers_2026_08_05": 100,
   "unique_domains_per_answer_2026_08_02": 3.5,
   "unique_domains_per_answer_2026_08_05": 3.43,
   "change_pct": -2.0
  }
 }
}