ChatGPT, Gemini and Perplexity Name the Same Best Brand Only 25% of the Time

Ask ChatGPT, Gemini and Perplexity the same "what is the best..." question and all three name the same brand first on 25.5% of questions. Three times in four, at least one AI assistant puts a different brand at the top, and no two assistants agree even half the time.

Same first brand by assistants compared

ChatGPT, Gemini and Perplexity

25.5%

ChatGPT and Perplexity

42.8%

Gemini and Perplexity

41.8%

ChatGPT and Gemini

39.5%

ChatGPT with itself (asked twice)

63.1%

Gemini with itself (asked twice)

47.6%

Source: Suff Digital analysis of 1,815 "best" questions answered by ChatGPT, Gemini and Perplexity · AI assistant answers, September 2026

All three agree by category

Streaming

48%

Travel

45%

Cars

42%

Services

37%

Outdoor

36%

Apparel

34%

Software

32%

Kitchen

29%

Electronics

17%

Office

16%

Gaming

12%

Pets

11%

Fitness

11%

Finance

Insurance

Source: Suff Digital analysis of 1,815 "best" questions answered by ChatGPT, Gemini and Perplexity · AI assistant answers, September 2026

Source: ChatGPT, Gemini and Perplexity Name the Same Best Brand Only 25% of the Time - Suff Digital