AI answers vary by session and location because each model uses different data...

https://www.cast-bookmarks.win/tracking-how-ai-answers-vary-across-chatgpt-claude-gemini-and-perplexity-can

AI answers vary by session and location because each model uses different data and settings. Tracking visibility across ChatGPT, Claude, Gemini, and Perplexity means dealing with shifting results that can confuse your insights