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Corporate tax provision · November 2026 Edition
Sovos Tax Provision vs CSC Corptax Accounting for Income Taxes
Zero of fourteen models named Sovos Tax Provision first on the direct prompt; zero named CSC Corptax Accounting for Income Taxes. Sovos Tax Provision was named by eight of the fourteen models and CSC Corptax Accounting for Income Taxes by twelve and Sovos Tax Provision carries 13 labels and CSC Corptax Accounting for Income Taxes 28, so the shares are not directly comparable.
Named in one category this edition.
CSC Corptax Accounting for Income Taxes
criticized challengerNamed in one category this edition.
First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%32%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 11; printed, not drawn.
Labels1328A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Sovos Tax Provision 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 Sovos Tax Provision · Bloomberg Tax Provision vs CSC Corptax Accounting for Income Taxes · Thomson Reuters ONESOURCE Tax Provision vs Sovos Tax Provision
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.
Sovos Tax ProvisionFirst choices, of fourteen modelsCSC Corptax Accounting for Income TaxesDirect001 against CSC Corptax Accounting for Income Taxes
Paraphrase01
Comparative01
Budget-constrained105 against CSC Corptax Accounting for Income Taxes
Scale-constrained00
Negative003 against CSC Corptax Accounting for Income Taxes
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, Sovos Tax Provision and CSC Corptax Accounting for Income Taxes were named in the same answer eighteen times, of the 32 answers naming Sovos Tax Provision and the 94 naming CSC Corptax Accounting for Income Taxes. In those answers CSC Corptax Accounting for Income Taxes took the first choice two times and Sovos Tax Provision one.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Sovos Tax Provision and CSC Corptax Accounting for Income Taxes stood in it.
| Model | DirectCC | ParaphraseCC | ComparativeCC | Budget-constrainedCC | Scale-constrainedCC | NegativeCC |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | ||||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | CC | CC | CC | CC | CC | CC |
| Perplexity Sonar | | CC | CC | |||
| Grok 4.20 | CC | CC | ||||
| Mistral Small | CC | |||||
| DeepSeek V4 Flash | CC | CC | CC | |||
| Llama 4 Maverick | CC | |||||
| Qwen 3.7 Flash | CC | |||||
| Kimi K2 | CC | | CC | |||
| GLM 4.7 FlashX | CC | |||||
| MiniMax M2.5 | CC | CC | ||||
| GPT-6 Luna | ||||||
| Muse Glimmer 30B | | CC | CC |
Sovos Tax ProvisionCC CSC Corptax Accounting for Income Taxes first choice named as an alternative argued againstblank: not namedEach cell is one answer, Sovos Tax Provision on the left and CSC Corptax Accounting for Income Taxes on the right.The direct prompt
The plain question, one answer per model, grouped by where Sovos Tax Provision and CSC Corptax Accounting for Income Taxes stood in it.
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.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
Grok 4.20Thomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, CSC Corptax Accounting for Income Taxes, Exactera Tax Provision, Longview Tax
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
Neither was named
10 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
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
Mistral SmallBloomberg Tax Provision, Thomson Reuters ONESOURCE Tax Provision alternatives: Taxfyle
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
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
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
Level: the same share of first choices.
Sovos Tax Provision0%#– of 11CSC Corptax Accounting for Income Taxes0%#11 of 11
The full small business standing →Mid-marketThe figures above
Level: the same share of first choices.
Sovos Tax Provision2%#6 of 11CSC Corptax Accounting for Income Taxes2%#7 of 11
The full mid-market standing →Enterprise
CSC Corptax Accounting for Income Taxes leads by eight points.
CSC Corptax Accounting for Income Taxes8%#2 of 10
Sovos Tax Provision0%#9 of 10What 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
What the models said about CSC Corptax Accounting for Income Taxes
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid as a first choice on a tight budget: ONESOURCE, CSC Corptax, and similar enterprise suites” Perplexity Sonar · budget prompt · hard negative
“Avoid ONESOURCE and Corptax unless you have a Fortune-500-style tax department.” Muse Glimmer 30B · negative prompt · hard negative
“should be avoided or used with caution include: ... Corptax” Llama 4 Maverick · negative prompt · hard negative
“Choose CSC Corptax or ONESOURCE if you have a dedicated in-house corporate tax manager needing end-to-end provision and return automation.” Gemini 3.5 Flash · paraphrase prompt · first choice
“Choose ONESOURCE or Corptax for a broad corporate-tax platform” Perplexity Sonar · comparative prompt · first choice
“Often recommended for companies that want to combine their provision work with state/federal return preparation in one place.” Qwen 3.7 Flash · direct prompt · alternative
Also compared
Bloomberg Tax Provision vs Sovos Tax ProvisionBloomberg Tax Provision vs CSC Corptax Accounting for Income TaxesThomson Reuters ONESOURCE Tax Provision vs Sovos Tax ProvisionThomson Reuters ONESOURCE Tax Provision vs CSC Corptax Accounting for Income TaxesLongview Tax vs Sovos Tax ProvisionLongview Tax vs CSC Corptax Accounting for Income TaxesAvalara vs Sovos Tax ProvisionAvalara vs CSC Corptax Accounting for Income TaxesOneStream Tax Provision vs Sovos Tax ProvisionOneStream Tax Provision vs CSC Corptax Accounting for Income TaxesAll twenty-one 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.