Sales tax automation · October 2026 Edition
Taxwire vs Vertex
Three of fourteen models named Taxwire first on the direct prompt; two named Vertex. Taxwire was named by nine of the fourteen models and Vertex by fourteen and Taxwire carries 20 labels and Vertex 45, so the shares are not directly comparable.
Named in one category this edition.
Named in five categories this edition.
First-choice share13%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%18%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#6A position in a field of 9; printed, not drawn.
Labels2045A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Taxwire reading right to left. Rank and label count are printed, not drawn.Avalara AvaTax was named alongside these two in eleven of the fourteen direct answers. Avalara AvaTax vs Taxwire · Avalara AvaTax vs Vertex · TaxCloud vs Taxwire
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.
TaxwireFirst choices, of fourteen modelsVertex
Direct322 against Vertex
Paraphrase403 against Vertex
Comparative00
Budget-constrained001 against Vertex
Scale-constrained001 against Vertex
Negative001 against Vertex
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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Taxwire and Vertex 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 | | | | |||
| GPT-6 Luna | | | | |||
| Muse Glimmer 30B | | | |
Taxwire Vertex first choice named as an alternative argued againstblank: not namedEach cell is one answer, Taxwire on the left and Vertex on the right.The direct prompt
The plain question, one answer per model, grouped by where Taxwire and Vertex stood in it.
Taxwire first, Vertex an alternative
3 of 14 modelsVertex was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Taxwire alternatives: Anrok, Avalara AvaTax, Vertex Tax Technology
DeepSeek V4 FlashTaxwire alternatives: Avalara AvaTax, TaxCloud, Vertex
GLM 4.7 FlashXCommenda, Taxwire alternatives: TaxCloud
Vertex first, Taxwire an alternative
2 of 14 modelsTaxwire was named in the answer but not as the choice, or not at all.Llama 4 MaverickVertex alternatives: Stripe Tax
Qwen 3.7 FlashVertex alternatives: Anrok, Taxwire
Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniAvalara AvaTax alternatives: Anrok, Sovos, Vertex
Gemini 3.5 FlashAvalara AvaTax alternatives: Anrok, Taxwire, Vertex, Zamp
Grok 4.1 FastAvalara AvaTax alternatives: Sovos, Vertex
Mistral SmallAvalara AvaTax alternatives: Commenda, TaxJar, Vertex
MiniMax M2.5Avalara AvaTax, Commenda alternatives: Sovos, Vertex
GPT-6 LunaAvalara AvaTax alternatives: Sovos, Vertex
Muse Glimmer 30BAvalara AvaTax, Sovos, formerly Taxify alternatives: Vertex
Neither was named
2 of 14 modelsThe answer made no first choice from these two in this category.Perplexity SonarAvalara AvaTax, TaxCloud alternatives: Anrok, TaxJar
Kimi K2Anrok alternatives: Avalara AvaTax, TaxJar
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
Level: the same share of first choices.
Taxwire0%#– of 11Vertex0%#11 of 11Mid-marketThe figures above
Enterprise
The order flips: Vertex leads at enterprise.
Vertex48%#1 of 8Taxwire0%#– of 8What the models said about Taxwire
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“the top picks are Commenda ... and Taxwire (if you want a full‑service US solution with audit defense and flat pricing)” GLM 4.7 FlashX · direct prompt · first choice
“Taxwire is the strongest overall recommendation — it's specifically designed for this exact segment” DeepSeek V4 Flash · direct prompt · first choice
“Taxwire is specifically designed for controllers at $20M–$250M B2B companies” Claude Haiku 4.5 · direct prompt · first choice
What the models said about Vertex
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Avoid heavy enterprise systems like ... Vertex. Their base subscriptions generally cost thousands of dollars annually” Gemini 3.5 Flash · budget prompt · hard negative
“If your business is doing under $10M–$20M in revenue, avoid these tools.” Gemini 3.5 Flash · negative prompt · hard negative
“Enterprise-focused pricing ($40K–$100K/year typical), 6–12 month implementations—not ideal for mid-market unless on major ERPs” Kimi K2 · direct prompt · soft negative
“Vertex is generally considered the gold standard for enterprise-level precision.... designed specifically for mid-market and growing businesses.” Qwen 3.7 Flash · direct prompt · first choice
“Vertex Inc - Best for mid-market companies with 5–30 entities across 8+ countries” Llama 4 Maverick · direct 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.