← All startup banking and spend management rankings

Mercury vs Brex: which one does AI recommend?

We asked ChatGPT, Gemini and Perplexity 10 questions buyers ask about startup banking and spend management — 29 answers in total — and counted who got named. Mercury is named in 21 of 29 answers (72%); Brex in 19 (66%).

Mercury

72%

named in 21 of 29 answers

Brex

66%

named in 19 of 29 answers

ChatGPT: named in 89% of answers

Gemini: named in 10% of answers

Perplexity: named in 100% of answers

How they rank against everyone else

Mercury

72%

Brex

66%

Ramp

52%

Rho

48%

Relay

34%

Airwallex

21%

Novo

21%

Bluevine

14%

Where does your product land?

Same 10 questions, your product, about a minute. No account.

Counts are mentions in AI answers, not endorsements, measured 2026-09-20. Nobody pays to appear.