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Corporate cards · October 2026 Edition

BILL Spend & Expense vs Brex

Zero of fourteen models named BILL Spend & Expense first on the direct prompt; one named Brex. BILL Spend & Expense was named by thirteen of the fourteen models and Brex by fourteen and BILL Spend & Expense carries 47 labels and Brex 60, so the shares are not directly comparable.

BILL Spend & Expense

accepted challenger

Named in six categories this edition.

Brex

accepted challenger

Named in eleven categories this edition.

First-choice share19%12%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate4%15%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#2#3A position in a field of 8; printed, not drawn.

Labels4760A count; the two differ.

The two percentage rows are drawn on one 0 to 100 track, BILL Spend & Expense reading right to left. Rank and label count are printed, not drawn.Ramp was named alongside these two in eleven of the fourteen direct answers. Ramp vs BILL Spend & Expense · Ramp vs Brex · BILL Spend & Expense vs Corpay

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the corporate cards page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.

BILL Spend & ExpenseFirst choices, of fourteen modelsBrex

Direct011 against Brex

Paraphrase23

Comparative03

Budget-constrained913 against Brex

Scale-constrained021 against BILL Spend & Expense

Negative111 against BILL Spend & Expense · 5 against Brex

Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the October 2026 Edition, BILL Spend & Expense and Brex were named in the same answer 230 times, of the 360 answers naming BILL Spend & Expense and the 672 naming Brex. In those answers Brex took the first choice twenty-one times and BILL Spend & Expense twenty-seven.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where BILL Spend & Expense and Brex stood in it.

Model	Direct	Paraphrase	Comparative	Budget-constrained	Scale-constrained	Negative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B

BILL Spend & Expense

Brex

first choice

named as an alternative

argued againstblank: not namedEach cell is one answer, BILL Spend & Expense on the left and Brex on the right.

The direct prompt

The plain question, one answer per model, grouped by where BILL Spend & Expense and Brex stood in it.

Brex first, BILL Spend & Expense not the choice

1 of 14 modelsBILL Spend & Expense was named in the answer but not as the choice, or not at all.

Mistral SmallAirbase, Brex alternatives: Corpay, Ramp

Neither was the first choice, one was named

9 of 14 modelsThe answer put something else first and named one of the two as an alternative.

Claude Haiku 4.5no first choice alternatives: Airbase, BILL Spend & Expense, Ramp, The BILL Divvy Card, Volopay Card

GPT-5.4 miniRamp alternatives: BILL Spend & Expense, Brex, Rippling Finance

Gemini 3.5 FlashRamp alternatives: Airbase, BILL Spend & Expense, Brex

Perplexity SonarCorpay, Ramp alternatives: BILL Spend & Expense, Navan, U.S. Bank Commercial Rewards Card

Grok 4.1 FastRamp alternatives: BILL Spend & Expense, Brex, Corpay, Payhawk

DeepSeek V4 FlashRamp, Rippling Spend alternatives: Airbase, BILL Spend & Expense, Brex, U.S. Bank Commercial Rewards Card

Qwen 3.7 FlashU.S. Bank Commercial Rewards Card alternatives: BILL Spend & Expense, Rho, Rippling Spend

Kimi K2Ramp alternatives: Brex, Corpay

GPT-6 LunaRamp alternatives: BILL Spend & Expense, Brex

Neither was named

4 of 14 modelsThe answer made no first choice from these two in this category.

Llama 4 Maverickno first choice

GLM 4.7 FlashXAirbase, Corpay alternatives: Airwallex, American Express Business Platinum, Ramp

MiniMax M2.5Corpay alternatives: Airbase, Ramp

Muse Glimmer 30BCorpay alternatives: Airbase, U.S. Bank Commercial Rewards Card

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.

Small business

Brex leads by two points.

Brex#2 of 7

BILL Spend & Expense#3 of 7

The full small business standing →

Mid-marketThe figures above

The order flips: BILL Spend & Expense leads at mid-market.

BILL Spend & Expense#2 of 8

Brex#3 of 8

The full mid-market standing →

Enterprise

The order flips: Brex leads at enterprise.

Brex#2 of 11

BILL Spend & Expense#6 of 11

The full enterprise standing →

What the models said about BILL Spend & Expense

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.

“BILL stands out as the most budget-friendly *corporate card program* because it offers $0/user/month” Perplexity Sonar · budget prompt · first choice

What the models said about Brex

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of five in this category shown.

“Avoid: - Brex (if you're small, international, or need stable limits — the Trustpilot reviews are brutal)” DeepSeek V4 Flash · negative prompt · hard negative

“Brex has a history of pivoting away from small businesses... introduces long-term uncertainty regarding how underwriting requirements and platform fees will evolve.” Gemini 3.5 Flash · negative prompt · soft negative

“For most mid-market B2B companies, Airbase and Brex are the top choices” Mistral Small · direct prompt · first choice

“Ramp, Brex, and Divvy are frequently mentioned by small businesses.” MiniMax M2.5 · budget prompt · first choice

“Choose Ramp/Brex if you want modern automation and card-led spend control.” GPT-5.4 mini · comparative prompt · first choice

Also compared

Ramp vs BILL Spend & Expense Ramp vs Brex BILL Spend & Expense vs Corpay BILL Spend & Expense vs Airbase BILL Spend & Expense vs Rippling Spend Brex vs Corpay Brex vs Airbase Brex vs Rippling Spend All fifteen head-to-head pages and the full corporate cards standing

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.