Corporate tax provision · October 2026 Edition
Longview Tax vs Sovos Tax Provision
One 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 nine and Longview Tax carries 31 labels and Sovos Tax Provision 16, so the shares are not directly comparable.
Named in two categories this edition.
Named in one category this edition.
First-choice share4%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate29%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#6A position in a field of 9; printed, not drawn.
Labels3116A 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.Bloomberg Tax Provision was named alongside these two in eleven of the fourteen direct answers. Thomson Reuters ONESOURCE Tax Provision vs Longview Tax · Thomson Reuters ONESOURCE Tax Provision vs Sovos Tax Provision · Bloomberg 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
Direct102 against Longview Tax
Paraphrase00
Comparative02
Budget-constrained112 against Longview Tax
Scale-constrained00
Negative005 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 October 2026 Edition, Longview Tax and Sovos Tax Provision were named in the same answer twenty-two times, of the 89 answers naming Longview Tax and the 52 naming Sovos Tax Provision. In those answers Sovos Tax Provision took the first choice two 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.
| 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 | | |
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.
Longview Tax first, Sovos Tax Provision not the choice
1 of 14 modelsSovos Tax Provision was named in the answer but not as the choice, or not at all.GPT-5.4 miniBloomberg Tax Provision, Longview Tax
Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Bloomberg Tax Provision alternatives: Longview Tax, Thomson Reuters ONESOURCE Tax Provision
Perplexity SonarThomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, Longview Tax, Vertex Tax Accounting, Vertex Tax Provision
Grok 4.1 FastThomson Reuters ONESOURCE Tax Provision, Vertex Corporate Tax alternatives: Bloomberg Tax Provision, Sovos Tax Provision
Qwen 3.7 FlashTaxSeries alternatives: Bloomberg Tax Provision, OneStream Tax Provision, Sovos Tax Provision
Neither was named
9 of 14 modelsThe answer made no first choice from these two in this category.Gemini 3.5 FlashBloomberg Tax Provision alternatives: Exactera Tax Provision, OneStream, Vena Solutions
Mistral SmallBloomberg Tax Provision alternatives: Oracle Tax Reporting
DeepSeek V4 FlashBloomberg Tax Provision alternatives: TaxPoint, Thomson Reuters ONESOURCE Tax Provision, Vertex Tax Accounting
Llama 4 Maverickno first choice
Kimi K2Thomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, Vertex Tax Accounting
GLM 4.7 FlashXThomson Reuters ONESOURCE Tax Provision alternatives: CCH Axcess Tax, Vertex Tax Accounting
MiniMax M2.5Bloomberg Tax Provision, Vertex Tax Accounting alternatives: Oracle Tax Reporting, Thomson Reuters ONESOURCE Tax Provision
GPT-6 LunaThomson Reuters ONESOURCE Tax Provision alternatives: CSC Corptax
Muse Glimmer 30BThomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, OneStream Tax Provision, Vertex Tax Accounting
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.
Longview Tax0%#8 of 9Sovos Tax Provision0%#7 of 9Mid-marketThe figures above
Longview Tax leads by two points.
Longview Tax4%#4 of 9Sovos Tax Provision2%#6 of 9Enterprise
Level: the same share of first choices.
Longview Tax2%#6 of 9Sovos Tax Provision2%#5 of 9What 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.
“one source explicitly says to avoid or be cautious about Longview, ONESOURCE, Workiva, Oracle Tax Reporting, and Corptax in certain budget/fit contexts” Perplexity Sonar · negative prompt · hard negative
“"Avoid for now: OneSource, Corptax, Longview – these are enterprise-grade tools with enterprise-grade price tags."” Muse Glimmer 30B · negative prompt · hard negative
“designed for large enterprises and should be avoided by smaller organizations” Mistral Small · negative prompt · hard negative
“a provision-light SaaS/workpaper tool with Excel import/export and deferred tax mapping, e.g. Longview Tax Provision or Sovos Tax Provision” Muse Glimmer 30B · budget prompt · first choice
“I'd start with Bloomberg Tax Provision or Longview Tax” GPT-5.4 mini · direct prompt · first choice
“Longview Tax is often worth a close look because it's explicitly positioned for midsize and enterprise organizations” GPT-5.4 mini · paraphrase prompt · alternative
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.
“the lowest cost provision-grade options are the smaller cloud provision platforms, e.g. Longview Tax Provision or Sovos Tax Provision” Muse Glimmer 30B · budget prompt · first choice
“### 1. Sovos Tax Provision - Best for: Global tax teams needing repeatable ASC 740 and IAS 12 provision-close workpapers” Kimi K2 · comparative prompt · first choice
“Sovos Tax Provision is considered the best overall” Llama 4 Maverick · comparative prompt · first choice
Also compared
Thomson Reuters ONESOURCE Tax Provision vs Longview TaxThomson Reuters ONESOURCE Tax Provision vs Sovos Tax ProvisionBloomberg Tax Provision vs Longview TaxBloomberg Tax Provision vs Sovos Tax ProvisionTaxAct Business vs Longview TaxTaxAct Business vs Sovos Tax ProvisionLongview Tax vs VertexVertex vs Sovos Tax ProvisionAll fifteen head-to-head pages and the full corporate tax provision standing
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.