Index › Finance › Tax and compliance › Corporate tax provision › Longview Tax vs Sovos Tax Provision
Corporate tax provision · November 2026 Edition

Longview Tax vs Sovos Tax Provision

Zero of fourteen models named Longview Tax first on the direct prompt; zero named Sovos Tax Provision. Longview Tax was named by fourteen of the fourteen models and Sovos Tax Provision by eight and Longview Tax carries 45 labels and Sovos Tax Provision 13, so the shares are not directly comparable.

Longview Tax

accepted challenger

Named in two categories this edition.

Sovos Tax Provision

accepted challenger

Named in one category this edition.

First-choice share10%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate16%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#6A position in a field of 11; printed, not drawn.
Labels4513A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Longview Tax reading right to left. Rank and label count are printed, not drawn.Thomson Reuters ONESOURCE Tax Provision was named alongside these two in thirteen of the fourteen direct answers. Bloomberg Tax Provision vs Longview Tax · Bloomberg Tax Provision vs Sovos Tax Provision · Thomson Reuters ONESOURCE Tax Provision vs Longview Tax

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 corporate tax provision page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Longview TaxFirst choices, of fourteen modelsSovos Tax Provision
Direct00
Paraphrase30
Comparative00
Budget-constrained213 against Longview Tax
Scale-constrained00
Negative004 against Longview Tax
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, Longview Tax and Sovos Tax Provision were named in the same answer fifteen times, of the 123 answers naming Longview Tax and the 32 naming Sovos Tax Provision. In those answers Sovos Tax Provision took the first choice zero times and Longview Tax zero.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Longview Tax and Sovos Tax Provision 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
Longview Tax Sovos Tax Provision first choice named as an alternative argued againstblank: not namedEach cell is one answer, Longview Tax on the left and Sovos Tax Provision on the right.

The direct prompt

The plain question, one answer per model, grouped by where Longview Tax and Sovos Tax Provision stood in it.

Neither was the first choice, one was named

10 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniWolters Kluwer CCH Tagetik Tax Provision alternatives: Longview Tax, Thomson Reuters ONESOURCE Tax Provision
Perplexity SonarBloomberg Tax Provision alternatives: Longview Tax, Thomson Reuters ONESOURCE Tax Provision
Grok 4.20Thomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, CSC Corptax Accounting for Income Taxes, Exactera Tax Provision, Longview Tax
DeepSeek V4 FlashThomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, Longview Tax
Llama 4 MaverickTaxfyle alternatives: Avalara, Longview Tax, Thomson Reuters ONESOURCE Tax Provision
Qwen 3.7 FlashBloomberg Tax Provision, Thomson Reuters ONESOURCE Tax Provision alternatives: CSC Corptax Accounting for Income Taxes, Longview Tax
Kimi K2Bloomberg Tax Provision alternatives: CSC Corptax Accounting for Income Taxes, Longview Tax, Thomson Reuters ONESOURCE Tax Provision
GLM 4.7 FlashXAvalara, Thomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, Commenda, Longview Tax
MiniMax M2.5Bloomberg Tax Provision, Thomson Reuters ONESOURCE Tax Provision alternatives: Account Ability, Longview Tax
GPT-6 LunaThomson Reuters ONESOURCE Tax Provision alternatives: Corptax AIT, Longview Tax, Tax Series

Neither was named

4 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Bloomberg Tax Provision, OneStream Tax Provision alternatives: CCH Axcess Tax from Wolters Kluwer, CSC Corptax AIT
Gemini 3.5 FlashBloomberg Tax Provision alternatives: CSC Corptax Accounting for Income Taxes, OneStream Tax Provision, Oracle Tax Reporting, Thomson Reuters ONESOURCE Tax Provision, Workiva Tax and Provision
Mistral SmallBloomberg Tax Provision, Thomson Reuters ONESOURCE Tax Provision alternatives: Taxfyle
Muse Glimmer 30BTaxfyle alternatives: Avalara, Bloomberg Tax Provision, Longview Tax by insightsoftware, Thomson Reuters ONESOURCE Tax Provision

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
Longview Tax leads by six points.
Longview Tax6%#5 of 11
Sovos Tax Provision0%#– of 11
The full small business standing →
Mid-marketThe figures above
Longview Tax leads by eight points.
Longview Tax10%#3 of 11
Sovos Tax Provision2%#6 of 11
The full mid-market standing →
Enterprise
Longview Tax leads by two points.
Longview Tax2%#4 of 10
Sovos Tax Provision0%#9 of 10
The full enterprise standing →

What the models said about Longview Tax

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

“explicitly says to avoid or be cautious about Longview, ONESOURCE, Workiva, Oracle Tax Reporting, and Corptax” Muse Glimmer 30B · negative prompt · hard negative
“Avoid Enterprise Tools: ONESOURCE, Bloomberg, or Longview ... often not viable under $10k–$20k/year.” Grok 4.20 · budget prompt · hard negative
“Longview Tax — excellent, but pricing is quote-only and enterprise-tier.” DeepSeek V4 Flash · budget prompt · hard negative
“Request demos from insightsoftware and Longview Tax if you focus on corporate income tax” Qwen 3.7 Flash · paraphrase prompt · first choice
“The best income tax compliance software for a mid-sized B2B company is insightsoftware” Llama 4 Maverick · paraphrase prompt · first choice
“Longview Tax is likely the best shortlist candidate for corporate tax provision” Perplexity Sonar · budget prompt · first choice

What the models said about Sovos Tax Provision

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

“Taxfyle or the Sovos eCommerce/tiered offerings are the most affordable provision-oriented options” Muse Glimmer 30B · budget prompt · first choice
“Sovos is the best fit for multinational enterprises needing jurisdiction-level provision automation” Muse Glimmer 30B · comparative prompt · alternative
“Choose Sovos if you want a broader compliance platform covering indirect taxes” Perplexity Sonar · paraphrase prompt · alternative
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.