Can't I use incognito mode?
Incognito hides history from you, not from the platform. Logged-in personalization persists, and logged-out sessions still carry location and phrasing. Blind means a different party asking — not a private window.
ANSWERS
You can't find out by asking the assistants yourself — that measurement is broken before it starts. Claude, ChatGPT, and Gemini personalize responses: your account memory, your chat history, and your insider phrasing shape what they tell you, so you never see what a customer sees. The valid method is blind measurement: customer questions, clean sessions, repeated runs, consistent scoring. That is ye5's GEO Brand audit.
Assistants answer the account that asks. Three things skew what you see:
ye5's GEO Brand audit runs that protocol as a product :
Incognito hides history from you, not from the platform. Logged-in personalization persists, and logged-out sessions still carry location and phrasing. Blind means a different party asking — not a private window.
Re-measure quarterly, or after any launch, rebrand, or press cycle. Models refresh on their own schedules.