Pepsi Vanilla vs Pepsi Zero Sugar: what AI actually recommends
The same buying questions, every week, to ChatGPT, Claude, Gemini, and Perplexity: the record of which of these two they name first. No opinions, no scores we invented: what the models said.
AI currently favors Pepsi Zero Sugar. Ahead in 1 of 1 shared category on consensus rank.
That is this week’s close, not a verdict for all time. The model-by-model board below shows where they agree, where they split, and how both brands moved.
On this week's close, Pepsi Vanilla leads 0 and Pepsi Zero Sugar leads 1 across the 1 category they both appear in.
Beyond this pairing, Pepsi Vanilla is ranked in 1 category; Pepsi Zero Sugar is ranked in 1 category. The board below is the shared slice — where the four models place these two side by side.
The record, category by category.
Consensus rank · weekly close- #2Pepsi Zero SugarNew entry this weekspread 10GPT#1Claude#3Gemini#2PPLX#11
- #4Pepsi VanillaNew entry this weekspread 10GPT#1Claude#5Gemini#3PPLX#11
On consensus rank, Pepsi Zero Sugar leads here, #2 to Pepsi Vanilla's #4 — 39 to 31 on the 0–100 score. Every model that separates the two ranks Pepsi Zero Sugar ahead. Pepsi Zero Sugar is new to the board this week.
Where the models split.
Across the 1 category Pepsi Vanilla and Pepsi Zero Sugar both appear in, the models never break ranks: in each one, the same brand leads on ChatGPT, Claude, Gemini, and Perplexity alike.
No model runs against the grain here: each of the four ranks Pepsi Zero Sugar ahead at least as often as not, with Claude the most lopsided.
- ChatGPTsplit 0-0
- Claudefavors Pepsi Zero Sugar 1-0
- Geminifavors Pepsi Zero Sugar 1-0
- Perplexitysplit 0-0