The 62-page annual report documents ten patterns across 15+ categories and 10,000+ buyer-intent prompts run against ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews. The State of AI Search 2026 is a 62-page annual research report published by 5W AI Communications documenting how the five major generative AI engines — ChatGPT (OpenAI), Claude (Anthropic), Perplexity, Gemini (Google), and Google AI Overviews — cite brands across 15-plus consumer and B2B categories.