Tracking AI answers across ChatGPT, Claude, Gemini, and Perplexity can feel...

https://www.stall-bookmarks.win/ai-search-is-a-moving-target-measurement-is-difficult-because-results-shift

Tracking AI answers across ChatGPT, Claude, Gemini, and Perplexity can feel like chasing shadows—responses shift by session and location. That’s because each model tailors replies differently, influenced by where and when you ask