AI Citations: how ChatGPT, Claude, Gemini, Perplexity choose what to cite

AI Citations: how ChatGPT, Claude, Gemini, Perplexity choose what to cite

SearchGPT & ChatGPT Search: earning citations on OpenAI's search surfaces

Google AI Overviews & AI Mode: optimization patterns and citation engineering

ChatGPT uses Bing. Gemini uses Google. Claude uses Brave. Perplexity uses its own. Tracking AI visibility means tracking four indexes, not one.