Tracking AI answers across ChatGPT, Claude, Gemini, and Perplexity reveals...

https://www.bookmark-url.win/measuring-ai-search-is-hard-because-answers-are-non-deterministic-and-suffer

Tracking AI answers across ChatGPT, Claude, Gemini, and Perplexity reveals shifts based on session and location. These changes happen because each query can trigger different data and models