BILL vs Brex: which does AI recommend?

· ChatGPT Search and Google AI Mode

Based on every AI answer that names bothReviewed by

How we measure

AI summary

is preferred in claims about businesses may pass on and more flexible underwriting. When both brands are named, is listed first more often than not.

BILLBrex

Listed first when AI names both

BILL: 30%
Brex: 70% (Brex leads)

Recommended when named

BILL: 77% (BILL leads)
Brex: 64%

Warned against · lower is better

BILL: 0% (BILL leads)
Brex: 11%

Pick BILL for

  • Corporate card programs for nonprofits Almost always
  • Approval workflows and vendor payments Usually

Pick Brex for

  • Expense management software Usually
  • Employee corporate card Almost always

Topic by topic

Mentioned in, as a share of each topic’s answers

Level: Procurement approval workflows

Who AI mentions first

BILL listed firstBrex listed first

is listed first every month.

JunBILL listed first: 29%Brex listed first: 71%

JulBILL listed first: 19%Brex listed first: 81%

AugBILL listed first: 22%Brex listed first: 78%

SepBILL listed first: 39%Brex listed first: 61%

Google AI Mode and ChatGPT Search usually list first. Claude lists first almost always, so the engines lean to different brands.

Google AI ModeBILL listed first: 24%Brex listed first: 76%

ChatGPT SearchBILL listed first: 22%Brex listed first: 78%

Sources cited in the comparisons

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

  • The bar’s length is this source’s share of the comparison’s claims; its parts show which brand those claims favour.

BILL vs Brex: common questions

Is BILL better than Brex?
BILL is preferred in claims about businesses Brex may pass on and more flexible underwriting. When both brands are named, Brex is listed first more often than not.
Do ChatGPT and Google AI Mode recommend BILL or Brex?
Google AI Mode and ChatGPT Search usually list Brex first. Claude lists BILL first almost always, so the engines lean to different brands.
What are the alternatives to BILL and Brex?
Ramp appears in most of these answers, while Expensify and Airwallex appear in some.
When is BILL the better pick?
AI usually lists BILL first for: Corporate card programs for nonprofits; Approval workflows and vendor payments.
When is Brex the better pick?
AI usually lists Brex first for: Expense management software; Employee corporate card.

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