Every category where a model named American Express Corporate Card for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.

Category	Function	Share	Rank	Negative rate	Labels	Quadrant
Corporate cards	Spend and procurement	2%	6 of 63	13%	15	accepted challenger

Movement

This is the first edition on this tier, so no move can be computed for American Express Corporate Card yet. From the next edition this section shows, per buyer segment, whether its share moved by more than the measured noise floor.

By model

How each model treated American Express Corporate Card across every prompt where it was named for a mid-market B2B company. Twelve models, six prompts per category.

Model	First choice	Alternative	Mention	Negative	Labels
Claude Haiku 4.5	0	1	1	0	2
GPT-5.4 mini	2	1	0	0	3
Gemini 3.5 Flash	0	1	0	0	1
Perplexity Sonar	0	0	2	0	2
Grok 4.1 Fast	0	0	1	2	3
Mistral Small	0	0	0	0	0
DeepSeek V4 Flash	0	1	0	0	1
Llama 4 Maverick	0	0	0	0	0
Qwen 3.7 Flash	0	0	0	0	0
Kimi K2	0	1	0	0	1
GLM 4.7 FlashX	0	0	1	0	1
MiniMax M2.5	0	1	0	0	1

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.

FramingLabels by classFirst choices

Direct5 labelsNone

Paraphrase6 labels1

Comparative15 labels1not counted in share

Budget-constrained2 labelsNone

Scale-constrained2 labelsNone

Negative3 labels1not counted in share

First choiceAlternativeMentionNegative33 labels in all, every segment counted; 1 of the 3 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“Choose Amex Corporate if you want premium travel benefits, strong program structure” GPT-5.4 mini · Corporate cards · comparative prompt · first choice

“my default recommendation would be American Express Corporate Cards” GPT-5.4 mini · Corporate cards · paraphrase prompt · first choice

“usually best if you value premium travel perks ... but it tends to fit larger companies and comes with higher fees” GPT-5.4 mini · Corporate cards · direct prompt · alternative

“Offers wide global acceptance, established travel benefits, and a brand that carries weight” Claude Haiku 4.5 · Corporate cards · direct prompt · alternative

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

“Programs/Issuers with Frequent Red Flags: - American Express Corporate Cards: Low BBB rating (1.08/5 from 500+ reviews)” Grok 4.1 Fast · Corporate cards · negative prompt · hard negative

“Amex excels in premium travel rewards but lags in automation (manual reports common)” Grok 4.1 Fast · Corporate cards · comparative prompt · soft negative

Named alongside

The products named in the same answers as American Express Corporate Card, over the 33 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and American Express Corporate Card was named but was not.

ProductSame answerTook the first choice insteadHead to head

Ramp32 of 3316Not in the top three

Brex29 of 334Not in the top three

BILL Spend & Expense18 of 330Not in the top three

Rippling Spend16 of 330Not in the top three

Rho12 of 330Not in the top three

Navan11 of 330Not in the top three

Airwallex10 of 330Not in the top three

Airbase6 of 330Not in the top three

J.P. Morgan Commercial Cards5 of 331Not in the top three

Citi Commercial Cards4 of 330Not in the top three

A head-to-head page exists where both products are in a category's top three. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named American Express Corporate Card. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, four of the twelve in this edition, so these counts come from 29 of the 33 answers that named American Express Corporate Card and are not a share of its labels.

Domains cited

nerdwallet.com23

rippling.com23

airwallex.com19

forbes.com18

navan.com18

americanexpress.comYour site15

ramp.com12

techrepublic.com12

wise.com12

brex.com11

148 of the 163 domain citations in answers naming American Express Corporate Card came from somebody else's page.

Pages cited

nerdwallet.com/business/credit-cards/best/corporate19

airwallex.com/en-us/blog/compare-corporate-business-cards17

forbes.com/advisor/credit-cards/best-corporate-credit-cards17

rippling.com/blog/best-commercial-credit-cards-business17

navan.com/blog/best-corporate-credit-cards16

techrepublic.com/article/best-corporate-cards12

wise.com/us/blog/best-corporate-credit-card-programs12

merchantmaverick.com/the-best-corporate-credit-cards10

Pages are listed as the models cited them.

Names read as American Express Corporate Card

What the judge wrote, as written, with how often. The vendor table decides that these count as American Express Corporate Card; a claim can dispute any of them.

American Express Corporate Cards 4American Express Corporate Card Program 3Amex Corporate 2American Express Corporate 1American Express Corporate Program 1American Express Corporate Programs 1American Express Corporate cards 1Amex Corporate Card 1

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when American Express Corporate Card's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as American Express Corporate Card, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

It does not get any change to labels, shares or verdicts, any preview, or any say over which quotes appear. A verification link goes to your work email; an address at americanexpress.com is approved on the spot, any other address is reviewed by hand.

Your name and company appear on the claimed page, or the company alone if you ask below. A title and a LinkedIn address appear there too if you give them, and are left off if you do not. Your email address is never published.