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Sales tax automation · November 2026 Edition

TaxJar vs Kintsugi

Zero of fourteen models named TaxJar first on the direct prompt; zero named Kintsugi. TaxJar was named by fourteen of the fourteen models and Kintsugi by ten and TaxJar carries 59 labels and Kintsugi 14, so the shares are not directly comparable.

TaxJar

accepted challenger

Named in four categories this edition.

Kintsugi

accepted challenger

Named in two categories this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate24%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#6A position in a field of 11; printed, not drawn.
Labels5914A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, TaxJar reading right to left. Rank and label count are printed, not drawn.Avalara AvaTax was named alongside these two in thirteen of the fourteen direct answers. Avalara AvaTax vs TaxJar · Avalara AvaTax vs Kintsugi · TaxCloud vs TaxJar

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 sales tax automation page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
TaxJarFirst choices, of fourteen modelsKintsugi
Direct003 against TaxJar
Paraphrase001 against TaxJar
Comparative30
Budget-constrained112 against TaxJar
Scale-constrained00
Negative028 against TaxJar
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 November 2026 Edition, TaxJar and Kintsugi were named in the same answer thirty-eight times, of the 177 answers naming TaxJar and the 52 naming Kintsugi. In those answers Kintsugi took the first choice seven times and TaxJar nine.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where TaxJar and Kintsugi stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
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
TaxJar Kintsugi first choice named as an alternative argued againstblank: not namedEach cell is one answer, TaxJar on the left and Kintsugi on the right.

The direct prompt

The plain question, one answer per model, grouped by where TaxJar and Kintsugi stood in it.

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniAvalara AvaTax alternatives: Anrok, TaxJar, Vertex
Llama 4 MaverickTaxwire alternatives: Avalara AvaTax, TaxCloud, TaxJar
GLM 4.7 FlashXAvalara AvaTax alternatives: TaxCloud, TaxJar, Taxwire

Neither was named

11 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Taxwire alternatives: Anrok, Avalara AvaTax, Numeral
Gemini 3.5 FlashAvalara AvaTax alternatives: Anrok, Galvix, Sovos Intelligent Compliance Cloud, TaxConnex, Vertex
Perplexity SonarTaxwire alternatives: Avalara AvaTax, Vertex, Zamp
Grok 4.20Taxwire alternatives: Anrok, Numeral
Mistral SmallAvalara AvaTax alternatives: Anrok, Sovos Intelligent Compliance Cloud, TaxCloud, Vertex
DeepSeek V4 FlashAvalara AvaTax alternatives: TaxCloud, Taxwire, Zamp
Qwen 3.7 FlashTaxwire alternatives: Avalara AvaTax, Vertex
Kimi K2Anrok, Avalara AvaTax alternatives: TaxCloud
MiniMax M2.5Avalara AvaTax, TaxCloud alternatives: Anrok, Sovos Intelligent Compliance Cloud, Vertex
GPT-6 LunaAvalara AvaTax, Vertex Cloud alternatives: Sovos Intelligent Compliance Cloud
Muse Glimmer 30BAvalara AvaTax alternatives: Sovos Intelligent Compliance Cloud, TaxCloud, Taxwire, Vertex

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
TaxJar leads by eighteen points.
TaxJar30%#1 of 13
Kintsugi12%#3 of 13
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
TaxJar2%#5 of 11
Kintsugi2%#6 of 11
The full mid-market standing →
Enterprise
Level: the same share of first choices.
TaxJar0%#10 of 10
Kintsugi0%#– of 10
The full enterprise standing →

What the models said about TaxJar

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

“Common issues: Poor customer support ... failure to properly handle exempt customers ... inaccurate calculations or reports that require manual cross-checks” Grok 4.20 · negative prompt · hard negative
“post-acquisition quality has declined significantly... the software openly admits its reporting is broken” DeepSeek V4 Flash · negative prompt · hard negative
“TaxJar is not built for complex B2B scenarios, multi-entity structures, or audit defense situations” Claude Haiku 4.5 · direct prompt · hard negative
“Small company → TaxJar; ... TaxJar stands out from Avalara with higher reviewer satisfaction across ease of use and support” Muse Glimmer 30B · comparative prompt · first choice
“TaxJar is the easiest, most affordable, and most reliable choice.” DeepSeek V4 Flash · comparative prompt · first choice

What the models said about Kintsugi

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

“Safer Alternatives Worth Considering ... Kintsugi (4.8/5 rating, free tier available)” DeepSeek V4 Flash · negative prompt · first choice
“Specifically praised for bridging the gap between automation and human expertise” Qwen 3.7 Flash · negative prompt · first choice
“Kintsugi (if free is essential)” MiniMax M2.5 · budget prompt · first choice
Also compared

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.