Finance AI Index
Index Vendors › TaxJar/Stripe Tax · September 2026 Edition
1 category · Named, not ranked

TaxJar/Stripe Tax

2Judge labels
0First choices
1Negative labels
2 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
1 label, too few to rank
A product needs 10 labels in a category before a share or quadrant is stated. TaxJar/Stripe Tax was named 1 time in Sales tax automation, where Avalara AvaTax led with 40%. The labels and the evidence are below, counted exactly.
By buyer segmentRead the same way at every buyer size.
In sales tax automation · 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 TaxJar/Stripe Tax 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.
CategoryFunctionShareRankNegative rateLabelsQuadrant
Sales tax automationTax and compliance0%26 of 380%1under 10 labels · led by Avalara AvaTax at 40%

Movement

This is the first edition on this tier, so no move can be computed for TaxJar/Stripe Tax 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 TaxJar/Stripe Tax across every prompt where it was named for a mid-market B2B company. Twelve models, six prompts per category.
ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.500000
GPT-5.4 mini00000
Gemini 3.5 Flash00000
Perplexity Sonar00000
Grok 4.1 Fast01001
Mistral Small00000
DeepSeek V4 Flash00000
Llama 4 Maverick00000
Qwen 3.7 Flash00000
Kimi K200000
GLM 4.7 FlashX00000
MiniMax M2.500000

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
Direct0 labelsNone
Paraphrase0 labelsNone
Comparative0 labelsNone
Budget-constrained0 labelsNone
Scale-constrained1 labelNone
Negative1 labelNone
First choiceAlternativeMentionNegative2 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.

“TaxJar (ecom-focused)” Grok 4.1 Fast · Sales tax automation · scale 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.

No model argued against it.

Named alongside

The products named in the same answers as TaxJar/Stripe Tax, over the 2 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and TaxJar/Stripe Tax was named but was not.
ProductSame answerTook the first choice insteadHead to head
Avalara AvaTax1 of 21Not in the top three
Anrok1 of 20Not in the top three
Sovos1 of 20Not in the top three
TaxCloud/Zinancal1 of 20Not in the top three
Taxwire1 of 20Not in the top three
Vertex1 of 20Not 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 TaxJar/Stripe Tax. 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 2 of the 2 answers that named TaxJar/Stripe Tax and are not a share of its labels.

Domains cited

aprio.com2
sales.tax2
tax.thomsonreuters.com2
taxcloud.com2
zamp.com2
g2.com1
galvix.com1
guideflow.com1
learn.g2.com1
leyton.com1

Fifteen of the fifteen domain citations in answers naming TaxJar/Stripe Tax came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

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 TaxJar/Stripe Tax'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 TaxJar/Stripe Tax, 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 taxjar.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.

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