Most published AI-search statistics are borrowed, US-centric, and already stale. cloro monitors ChatGPT, Perplexity, Gemini, Copilot, Google AI Overview, AI Mode, and Google Search continuously — so these studies come from first-party measurement, not estimates. Each one states its sample, method, and date, and is free to cite.
Across a balanced 735-prompt basket, four of five engines cite on 98–100% of answers; Gemini cites on just 33%. Citation Presence Index: 86/100.
Where AI Overviews appear, the trigger rate runs from 67% (Germany) to 93% (US); ChatGPT backs its answers with ~12 sources to Gemini's ~1.
Domains that block GPTBot are cited far less by ChatGPT — median citations-per-appearance 0.003 vs 0.417 — and the effect is engine-specific.
Commercial and voice queries trigger an AI Overview ~98% of the time; local restaurant queries just ~3%.
Across cloro's monitored SERPs, AI Overviews appear on ~70% and People Also Ask on ~92%.
The #1 organic result changes on 31.7% of consecutive days.
Gemini cites a source on just 41% of answers vs 97%+ for ChatGPT and Copilot; YouTube, Google, and Reddit are the most-cited domains in AI search; and Google AI Mode draws 58% of its citations from only 10 sources.
Which brands ChatGPT, Perplexity, Gemini, Copilot and Google AI Mode recommend across twelve software categories — re-measured every Monday, with every weekly snapshot kept for citation.
These studies run on the same API that monitors your brand across ChatGPT, Perplexity, Gemini, Copilot, and Google AI Overview. Start with 500 free credits.
