Original Pepsi 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, Original Pepsi leads 0 and Pepsi Zero Sugar leads 1 across the 1 category they both appear in.
Beyond this pairing, Original Pepsi 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
- #3Original PepsiNew entry this weekspread 10GPT#1Claude#2Gemini#5PPLX#11
On consensus rank, Pepsi Zero Sugar leads here, #2 to Original Pepsi's #3 — 39 to 34 on the 0–100 score. The models split: Claude rank Original Pepsi ahead, while Gemini keep Pepsi Zero Sugar in front. Pepsi Zero Sugar is new to the board this week.
Where the models split.
Across all 1 category these two share, at least one model breaks from the others every time — there is no category where the four line up cleanly.
Model by model, Claude is Original Pepsi's strongest backer, placing it ahead in 1 of the 1; Gemini leans the other way, favoring Pepsi Zero Sugar in 1.
- ChatGPTsplit 0-0
- Claudefavors Original Pepsi 1-0
- Geminifavors Pepsi Zero Sugar 1-0
- Perplexitysplit 0-0