| Category | Function | Share | Rank | Negative rate | Labels | Quadrant | Since September 2026 |
|---|---|---|---|---|---|---|---|
| Sales tax automation | Tax and compliance | 32% | 1 of 37 | 30% | 64 | criticized default | ▼−12Since September 2026: 40% → 28%, −12 points. Past the 10-point floor: movement. Read over the models both editions asked. |
| Corporate tax provision | Tax and compliance | 0% | 71 of 102 | 0% | 1 | under 10 labels · led by Thomson Reuters ONESOURCE Tax Provision at 21% | newNew since September 2026: not ranked then, 0% now. |
| Global e-invoicing compliance | Tax and compliance | 0% | 54 of 136 | 0% | 1 | under 10 labels · led by Avalara E-Invoicing at 25% |
| Category | September 2026 | Now | Change | Reading | Rank |
|---|---|---|---|---|---|
| Sales tax automation | 40% | 28% | ▼−12Since September 2026: 40% → 28%, −12 points. Past the 10-point floor: movement. Read over the models both editions asked. | Moved past the floor | Rank 1 of 37, unchanged |
| Corporate tax provision | 0% | 0% | newNew since September 2026: not ranked then, 0% now. | New this edition | Rank 71 of 102, unchanged |
| Global e-invoicing compl | 0% | 0% | newNew since September 2026: not ranked then, 0% now. | New this edition | Rank 54 of 136, unchanged |
Shares here are read over the models both editions asked, so they can differ by a point or two from the standing above, which counts every model in this edition.
The floor is 10 points of share, measured: how far the models move a leader on their own when the same questions are asked twice with nothing changed. A larger change is movement; a smaller one is noise, and both are shown. Movement is read over the twelve models both editions asked; GPT-6 Luna, Muse Glimmer 30B joined this edition and are in the standing but not yet in the comparison. How the floor is measured · The editions
| Model | First choice | Alternative | Mention | Negative | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 2 | 1 | 1 | 4 |
| GPT-5.4 mini | 3 | 1 | 0 | 1 | 5 |
| Gemini 3.5 Flash | 1 | 1 | 1 | 4 | 7 |
| Perplexity Sonar | 3 | 0 | 2 | 1 | 6 |
| Grok 4.1 Fast | 3 | 1 | 1 | 1 | 6 |
| Mistral Small | 2 | 0 | 2 | 0 | 4 |
| DeepSeek V4 Flash | 0 | 2 | 2 | 1 | 5 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 2 | 0 | 1 | 1 | 4 |
| Kimi K2 | 0 | 1 | 2 | 3 | 6 |
| GLM 4.7 FlashX | 1 | 1 | 1 | 1 | 4 |
| MiniMax M2.5 | 1 | 2 | 0 | 1 | 4 |
| GPT-6 Luna | 2 | 1 | 0 | 2 | 5 |
| Muse Glimmer 30B | 3 | 1 | 0 | 2 | 6 |
Verbatim evidence the judge attached to positive labels.
“Avalara edges out as the most recommended starting point for mid-market B2B due to its balance of features, market presence, and B2B tools like exemption management.” Grok 4.1 Fast · Sales tax automation · direct prompt · first choice
“the consensus recommendation splits into two primary choices: Avalara for complex, heavy-infrastructure needs and TaxJar for agility” Qwen 3.7 Flash · Sales tax automation · paraphrase prompt · first choice
“"Avalara wins overall" ... "Best for broad enterprise tax compliance: Avalara, with a modular indirect tax suite and 1,400+ integrations."” Muse Glimmer 30B · Sales tax automation · comparative prompt · first choice
“Choose Avalara if you want a broad, mature platform with strong jurisdiction coverage and general-purpose compliance features.” Perplexity Sonar · Sales tax automation · comparative prompt · first choice
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.
“Avalara - Numerous customer complaints cite: Expensive pricing with unexpected cost increases, Poor customer support” MiniMax M2.5 · Sales tax automation · negative prompt · hard negative
“Avoid Avalara for budget constraints — it's designed for enterprises with pricing from $5K-$70K+/year.” Kimi K2 · Sales tax automation · budget prompt · hard negative
“While popular, Avalara has significant complaints. Some users report two years of incorrect work” Claude Haiku 4.5 · Sales tax automation · negative prompt · hard negative
“Avoid pricier ones like Avalara ($50+/mo minimum, often $699/state/year).” Grok 4.1 Fast · Sales tax automation · budget prompt · hard negative
Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 193 of the 204 answers that named Avalara AvaTax and are not a share of its labels.
817 of the 922 domain citations in answers naming Avalara AvaTax came from somebody else's page.
Pages are listed as the models cited them.
Search figures are US estimates from DataForSEO, read September 28, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.
An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.
Already following? Everything you follow, with a stop for each.
What Avalara AvaTax's own pages state, read September 28, 2026: developer.avalara.com/avatax/calculating-tax, developer.avalara.com/avatax/reportable-transactions, developer.avalara.com/avatax/handling-return-invoices, developer.avalara.com/avatax/service-availability-and-performance, developer.avalara.com/products/avatax/api. A claimed page can correct any of them.
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 Avalara AvaTax'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 Avalara AvaTax, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.
A new claim receives the current edition's vendor brief for Avalara AvaTax by email, built from the raw record of the edition. It shows:
AI models recommend Avalara AvaTax first in Sales tax automation this edition. Each badge says so in the buyer's words, names the edition, and links to the standing. The next edition issues a new badge; this one stays true as a record of October 2026.
Badges read on light and dark pages. Alt text carries the claim, the category, the edition and the index, so it stays a citation where the image does not load.