The same question rarely gets the same answer.
SparkToro: "600 volunteers ran 12 different prompts through each of the 3 tools a combined 2,961 times." AIs "rarely give the same list of brands or recommendations twice (<1 in 100 times, no matter the question)".
Owned by Freelopers OÜ
Last reviewed 24 September 2026
Why this matters
Rand Fishkin's conclusion: "visibility % across dozens to hundreds of prompts run multiple times is a reasonable metric". A ranking position is not.