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Corporate cards · September 2026 Edition

BILL Spend & Expense vs Airbase

Zero of twelve models named BILL Spend & Expense first on the direct prompt; two named Airbase. Both were named by all twelve models and BILL Spend & Expense carries 38 labels and Airbase 19, so the shares are not directly comparable.

BILL Spend & Expense

accepted challenger

Named in five categories this edition.

Airbase

accepted challenger

Named in seven categories this edition.

First-choice share12%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate3%0%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#2#4A position in a field of 9; printed, not drawn.

Labels3819A 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 twelve of the twelve direct answers. Ramp vs BILL Spend & Expense · Ramp vs Airbase · BILL Spend & Expense vs Brex

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 twelve models made each the first choice, per way of asking, and how many argued against it.

BILL Spend & ExpenseFirst choices, of twelve modelsAirbase

Direct02

Paraphrase00

Comparative00

Budget-constrained50

Scale-constrained00

Negative001 against BILL Spend & Expense

Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Across every category in the September 2026 Edition, BILL Spend & Expense and Airbase were named in the same answer sixty-six times, of the 334 answers naming BILL Spend & Expense and the 167 naming Airbase. In those answers Airbase took the first choice nine times and BILL Spend & Expense four.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where BILL Spend & Expense and Airbase 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

BILL Spend & Expense

Airbase

first choice

named as an alternative

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

The direct prompt

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

Airbase first, BILL Spend & Expense an alternative

2 of 12 modelsBILL Spend & Expense was named in the answer but not as the choice, or not at all.

Mistral SmallAirbase, Ramp alternatives: Spendesk and Paylocity for Finance, U.S. Bank Commercial Rewards Card

MiniMax M2.5Airbase, Corpay alternatives: BILL Spend & Expense, Brex, Ramp

Neither was the first choice, one was named

10 of 12 modelsThe answer put something else first and named one of the two as an alternative.

Claude Haiku 4.5Ramp alternatives: Airbase, American Express Corporate Card, Paylocity for Finance, Spendesk

GPT-5.4 miniRamp alternatives: Airwallex, American Express Corporate Card, BILL Spend & Expense

Gemini 3.5 FlashRamp alternatives: Airbase, Brex, Corpay

Perplexity SonarRamp alternatives: Airbase, Corpay

Grok 4.1 FastRamp alternatives: BILL Spend & Expense, Brex

DeepSeek V4 FlashRamp alternatives: Airbase, BILL Spend & Expense

Llama 4 MaverickRamp alternatives: Airbase, U.S. Bank Commercial Rewards Card

Qwen 3.7 FlashRamp alternatives: Airbase, Brex

Kimi K2Ramp alternatives: Airbase, Brex, Corpay

GLM 4.7 FlashXRamp alternatives: Airbase, Brex, Navan, 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

BILL Spend & Expense leads by seven points.

BILL Spend & Expense#2 of 6

Airbase#– of 6

The full small business standing →

Mid-marketThe figures above

BILL Spend & Expense leads by seven points.

BILL Spend & Expense#2 of 9

Airbase#4 of 9

The full mid-market standing →

Enterprise

BILL Spend & Expense leads by five points.

BILL Spend & Expense#3 of 10

Airbase#– of 10

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. Two of two in this category shown.

“This one comes up repeatedly in negative reviews... Reports of funds being pulled/frozen without clear warning” DeepSeek V4 Flash · negative prompt · hard negative

“Ramp or BILL Spend & Expense are the top choices because they offer robust corporate card programs and expense management tools completely free” Kimi K2 · budget prompt · first choice

What the models said about Airbase

No label in this category carried a quote.

Also compared

Ramp vs BILL Spend & Expense Ramp vs Airbase BILL Spend & Expense vs Brex BILL Spend & Expense vs Rippling Spend BILL Spend & Expense vs American Express Corporate Card Brex vs Airbase Airbase vs Rippling Spend Airbase vs American Express Corporate Card 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.