Research
AI Citation Research
Every week PressGEO Research publishes the citation-rate breakdown across ChatGPT, Gemini, Perplexity, Claude, Copilot, and Grok — real data from the live monitor, with methodology, week-over-week deltas, and named gaps. Free, dated, and fully sourced.
AI Citation Report — week of June 5, 2026
0 non-brand AI citations and 15 brand-prompt citations across 463 probes this week (3.2% overall rate) across ChatGPT, Gemini, Perplexity, Copilot, Claude, and Grok.
Read the reportAI citations this week: what ChatGPT, Gemini, and Perplexity quoted
A weekly snapshot of which press releases got cited by which AI engines — and what the citing prompts had in common.
Read the reportMethodology
Reports are generated from citation_checks, the live log of every AI-engine probe PressGEO runs. Each probe records the engine, query, whether the engine cited a PressGEO release in its answer, the position of the citation, and the surrounding excerpt. The full per-page methodology lives at /methodology.