Justin Bieber
MusicianPrompt performance
Position when mentioned · grouped by stageHead to head
Who the models name more often, side by side.
Is this you?
Get the full audit: every losing prompt, the exact answers, and the source changes that move the index.
Request an audit — $299Ranked either side
Musicians, nearest on the index.
What the numbers say
Justin Bieber scores 23.7 out of 100 on the Fameproof index, ranking 71 of 148 public figures measured in the run of 26 October 2026. The index is the mean of the per-model scores below.
Visibility is uneven across models: Gemini scores it 31.0 while Claude scores it 19.0, a gap of 12.0 points. A brand that is strong on one model and weak on another has a different problem from one that is mid-table everywhere.
Gemini names Justin Bieber in 29% of answers and places it early enough to score 16% on prominence; Claude names it in 14%.
Across the 24-prompt panel there are 20 prompts where at least one model does not name Justin Bieber at all — those are the answers a competitor is winning instead, and the prompt table above shows which.
Questions about this score
What is Justin Bieber's AI visibility score?
Justin Bieber scores 23.7 out of 100 on the Fameproof index, ranked 71 of 148 public figures, measured on 26 October 2026 across Claude and ChatGPT and Gemini.
Which AI model mentions Justin Bieber most?
Gemini, at 31.0 out of 100, naming Justin Bieber in 29% of the answers in its panel. The per-model breakdown is above.
How is Justin Bieber's score measured?
With a panel of 24 category questions asked 4 times per model — never questions that name Justin Bieber, because a prompt that names you guarantees a mention. The score combines how often it is named, how early in the answer, how much of the topic it covers, and how consistent the result is between repetitions. Full methodology.


