Caffeine Free Pepsi vs Pepsi Lemon: 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 Caffeine Free Pepsi. 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, Caffeine Free Pepsi leads 1 and Pepsi Lemon leads 0 across the 1 category they both appear in.
Beyond this pairing, Caffeine Free Pepsi is ranked in 1 category; Pepsi Lemon 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- #18Caffeine Free PepsiNew entry this weekspread 10GPT#1Claude#11Gemini#10PPLX#8
- #20Pepsi LemonNew entry this weekspread 10GPT#1Claude#11Gemini#10PPLX#10
On consensus rank, Caffeine Free Pepsi leads here, #18 to Pepsi Lemon's #20 — 8 to 6 on the 0–100 score. Every model that separates the two ranks Caffeine Free Pepsi ahead. Caffeine Free Pepsi is new to the board this week.
Where the models split.
Across the 1 category Caffeine Free Pepsi and Pepsi Lemon 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 Caffeine Free Pepsi ahead at least as often as not, with Perplexity the most lopsided.
- ChatGPTsplit 0-0
- Claudesplit 0-0
- Geminisplit 0-0
- Perplexityfavors Caffeine Free Pepsi 1-0