Finance AI Index

Index › Vendors › American Express Blue Business Plus · September 2026 Edition

American Express · 1 category · Named, not ranked

American Express Blue Business Plus

7Judge labels

0First choices

3Negative labels

3 of 12Models named it

1Category

September 2026 Edition. Every number here is derived from the raw labels under vendor table vv2026-09.2, every buyer segment counted.

Standing

2 labels, too few to rank

A product needs 10 labels in a category before a share or quadrant is stated. American Express Blue Business Plus was named 2 times in Corporate cards, where Ramp led with 69%. The labels and the evidence are below, counted exactly.

By buyer segmentRead the same way at every buyer size.

Small business27 of 67

under the label threshold

Mid-market42 of 63

under the label threshold

Enterprisenot named

No model named it for this buyer.

In corporate cards · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named American Express Blue Business Plus 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	0%	42 of 63	50%	2	under 10 labels · led by Ramp at 69%

Movement

This is the first edition on this tier, so no move can be computed for American Express Blue Business Plus 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 Blue Business Plus across every prompt where it was named for a mid-market B2B company. Twelve models, six prompts per category.

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

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

Direct1 labelNone

Paraphrase2 labelsNone

Comparative0 labelsNone

Budget-constrained2 labelsNone

Scale-constrained0 labelsNone

Negative2 labelsNone

First choiceAlternativeMentionNegative7 labels in all, every segment counted; 0 of the 0 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.

“If you value Amex points: Amex Blue Business Plus” DeepSeek V4 Flash · Corporate cards · budget 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.

“its spend controls are more basic (per-card limits) compared to Ramp or Divvy” DeepSeek V4 Flash · Corporate cards · paraphrase prompt · soft negative

Named alongside

The products named in the same answers as American Express Blue Business Plus, over the 7 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and American Express Blue Business Plus was named but was not.

ProductSame answerTook the first choice insteadHead to head

Ramp7 of 74Not in the top three

BILL Spend & Expense6 of 71Not in the top three

Brex4 of 70Not in the top three

Airwallex2 of 71Not in the top three

Chase Ink Business Unlimited2 of 71Not in the top three

Capital One Spark 1% Classic2 of 70Not in the top three

Capital One Spark Cash Plus2 of 70Not in the top three

AXIS1 of 70Not in the top three

American Express Business Platinum1 of 70Not in the top three

Amex Corporate Platinum1 of 70Not 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 Blue Business Plus. 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 7 of the 7 answers that named American Express Blue Business Plus and are not a share of its labels.

Domains cited

nerdwallet.com7

forbes.com6

ramp.com6

rippling.com6

bankrate.com5

zenbusiness.com4

airwallex.com3

brex.com3

onemileatatime.com3

rho.co3

Forty-six of the forty-six domain citations in answers naming American Express Blue Business Plus came from somebody else's page.

Pages cited

rippling.com/blog/best-business-credit-cards5

nerdwallet.com/business/credit-cards/best/corporate4

zenbusiness.com/best-business-credit-cards3

airwallex.com/en-us/blog/compare-corporate-business-cards2

bench.co/blog/banking/best-small-business-credit-card2

brex.com/support/brex-account-requirements2

business-credit-us.blogspot.com/2026/05/brex-vs-ramp-vs-divvy-best-corporate.html2

cpaforge.com/best/best-corporate-cards-small-business2

Pages are listed as the models cited them.

Names read as American Express Blue Business Plus

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

Amex Blue Business Plus 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 Blue Business Plus'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 Blue Business Plus, 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.