Ask ChatGPT Twice and Its Top Pick Changes 56.3% of the Time vs 82.7% for Gemini

Ask ChatGPT the same "what is the best..." question twice in a row and it names a different top pick 56.3% of the time; Gemini changes its top pick 82.7% of the time. Saying "please", swapping "best" for "top", making a typo or asking in Spanish adds only a few points to that everyday churn, while adding a budget changes ChatGPT's top pick 87.4% of the time.

ChatGPT

Top pick changed between back-to-back answers

56.3%

Same top pick in every answer

8.3%

Source: Suff Digital analysis of 6,000 repeated answers from ChatGPT and Gemini, 6,992 ChatGPT answers to reworded product questions and 995 English and Spanish ChatGPT answer pairs · ChatGPT and Gemini answers, September 2026

Top pick changed by wording change

On a budget

87.4%

Detailed version

76.8%

Adds "2026"

65.4%

Typo

58.8%

"Top" instead of "best"

57.5%

Adds "please"

56.5%

Same question asked twice

54.6%

Same question asked twice

Websites cited per answer

3.1

Answer length (words)

216

English answers by website

expertise.com

38.9%

reviews.birdeye.com

19.5%

yably.com

18.7%

consumeraffairs.com

14.9%

angi.com

14.4%

bestprosintown.com

13.4%

bestinhood.com

9.8%

Source: Ask ChatGPT Twice and Its Top Pick Changes 56.3% of the Time vs 82.7% for Gemini - Suff Digital