Corporate tax provision for enterprise buyers
Asked as “corporate tax provision software”, and as “income tax compliance software”, on behalf of an enterprise B2B company. 50 first choices recorded across the direct, paraphrase, budget and scale prompts, fourteen models each.
Standing · first-choice share
46%
Clear leader
46Thomson Reuters ONESOURCE Tax Provision12CSC Corptax10Thomson Reuters ONESOURCE Income Tax32others
46% of first choices, clear leader.
Since September 2026▼−19Since September 2026: 64% → 44%, −19 points. Past the 10-point floor: movement. Read over the models both editions asked.Thomson Reuters ONESOURCE Tax Provision held the lead, −19 points on 64%, past the floor.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment; they sit side by side and are never added together.
Small business
TaxAct Business28%Contested↗new leaderNew leader since September 2026: TaxAct Business (24%) replaces Bloomberg Tax Provision (14% then, 18% now), 7 points clear, inside the 10-point floor.Standing →Mid-market
Thomson Reuters ONESOURCE Tax Provision21%Contested↗new leaderNew leader since September 2026: Bloomberg Tax Provision (22%) replaces Thomson Reuters ONESOURCE Tax Provision (36% then, 18% now), 4 points clear, inside the 10-point floor.Standing →EnterpriseThomson Reuters ONESOURCE Tax Provision46%Clear leader▼−19Since September 2026: 64% → 44%, −19 points. Past the 10-point floor: movement. Read over the models both editions asked.This page
TaxAct Business28%Contested↗new leaderNew leader since September 2026: TaxAct Business (24%) replaces Bloomberg Tax Provision (14% then, 18% now), 7 points clear, inside the 10-point floor.Standing →Mid-marketThomson Reuters ONESOURCE Tax Provision21%Contested↗new leaderNew leader since September 2026: Bloomberg Tax Provision (22%) replaces Thomson Reuters ONESOURCE Tax Provision (36% then, 18% now), 4 points clear, inside the 10-point floor.Standing →EnterpriseThomson Reuters ONESOURCE Tax Provision46%Clear leader▼−19Since September 2026: 64% → 44%, −19 points. Past the 10-point floor: movement. Read over the models both editions asked.This pageThe standing
Share is the count of first choices across the direct, paraphrase, budget and scale prompts, over all fourteen models, for an enterprise B2B company. Ordered by share.
ProductFirst-choice shareNegative rateLabelsQuadrantSince September 2026
01Thomson Reuters ONESOURCE Tax Provision46%7%57endorsed leader▼−19Since September 2026: 64% → 44%, −19 points. Past the 10-point floor: movement. Read over the models both editions asked.64% → 44%
Thomson Reuters ONESOURCE Tax Provision46%7%57endorsed leader▼−19Since September 2026: 64% → 44%, −19 points. Past the 10-point floor: movement. Read over the models both editions asked.64% → 44%02
CSC Corptax12%3%35accepted challenger▲+7Since September 2026: 5% → 12%, +7 points. Inside the 10-point floor: within noise. Read over the models both editions asked.5% → 12%
CSC Corptax12%3%35accepted challenger▲+7Since September 2026: 5% → 12%, +7 points. Inside the 10-point floor: within noise. Read over the models both editions asked.5% → 12%03
Bloomberg Tax Provision4%14%36accepted challenger▲+2Since September 2026: 2% → 5%, +2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 5%
Bloomberg Tax Provision4%14%36accepted challenger▲+2Since September 2026: 2% → 5%, +2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 5%04
Wolters Kluwer CCH Tagetik Tax Provision4%9%11accepted challenger▲+2Since September 2026: 2% → 5%, +2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 5%
Wolters Kluwer CCH Tagetik Tax Provision4%9%11accepted challenger▲+2Since September 2026: 2% → 5%, +2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 5%05
Sovos Tax Provision2%4%25accepted challenger▼−2Since September 2026: 5% → 2%, −2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.5% → 2%
Sovos Tax Provision2%4%25accepted challenger▼−2Since September 2026: 5% → 2%, −2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.5% → 2%06
Longview Tax2%21%29accepted challenger=heldSince September 2026: 2% → 2%, ±0 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 2%
Longview Tax2%21%29accepted challenger=heldSince September 2026: 2% → 2%, ±0 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 2%07
Vertex2%24%17accepted challenger=heldSince September 2026: 2% → 2%, ±0 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 2%
Vertex2%24%17accepted challenger=heldSince September 2026: 2% → 2%, ±0 points. Inside the 10-point floor: within noise. Read over the models both editions asked.2% → 2%08
Avalara2%42%12criticized challenger▲+2Since September 2026: 0% → 2%, +2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.0% → 2%
Avalara2%42%12criticized challenger▲+2Since September 2026: 0% → 2%, +2 points. Inside the 10-point floor: within noise. Read over the models both editions asked.0% → 2%Show the one product at 0%, ordered by negative rate
09
Oracle Tax Reporting0%0%19accepted challenger=heldSince September 2026: 0% → 0%, ±0 points. Inside the 10-point floor: within noise. Read over the models both editions asked.0% → 0%
Oracle Tax Reporting0%0%19accepted challenger=heldSince September 2026: 0% → 0%, ±0 points. Inside the 10-point floor: within noise. Read over the models both editions asked.0% → 0%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
Bars are the share of first choices, 0 to 100Every product with at least 10 labels here. Every product name links to its product page.
Head to head
All fifteen head-to-head pages: the top six products, each against each
Thomson Reuters ONESOURCE Tax Provision vs VertexThomson Reuters ONESOURCE Tax Provision vs Sovos Tax ProvisionBloomberg Tax Provision vs TaxAct BusinessBloomberg Tax Provision vs Longview TaxBloomberg Tax Provision vs VertexBloomberg Tax Provision vs Sovos Tax ProvisionTaxAct Business vs Longview TaxTaxAct Business vs VertexTaxAct Business vs Sovos Tax ProvisionLongview Tax vs VertexLongview Tax vs Sovos Tax ProvisionVertex vs Sovos Tax Provision
Recommended versus criticized
Every product with at least 10 labels here, on both axes. The 30% line names a quadrant, not the verdict above: that one needs more than 40%.
Criticized challengerCriticized default
Negative label rate →
010203040506070809Accepted challengerEndorsed leader
0%First-choice share → · lines at 30% share and 25% negative60%
Key
01Thomson Reuters ONESOURCE Tax Provision46%
Thomson Reuters ONESOURCE Tax Provision46%02CSC Corptax12%
CSC Corptax12%03Bloomberg Tax Provision4%
Bloomberg Tax Provision4%04Wolters Kluwer CCH Tagetik Tax Provision4%
Wolters Kluwer CCH Tagetik Tax Provision4%05Sovos Tax Provision2%
Sovos Tax Provision2%06Longview Tax2%
Longview Tax2%07Vertex2%
Vertex2%08Avalara2%
Avalara2%09Oracle Tax Reporting0%
Oracle Tax Reporting0%What they warned about
Two of fourteen models held their first choice under the paraphrase. Claude Haiku 4.5, GPT-5.4 mini, Perplexity Sonar, Grok 4.1 Fast, Mistral Small, DeepSeek V4 Flash, Llama 4 Maverick, Qwen 3.7 Flash, GLM 4.7 FlashX, MiniMax M2.5, GPT-6 Luna and Muse Glimmer 30B changed. A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.
Excel
100%
6 of 6 labels negative · 6 of 14 models · 6 hard negative
“Spreadsheets (e.g., Excel) as Primary Tools - Why avoid/caution: Excel offers flexibility but introduces high risks for large-scale operations” Grok 4.1 Fast, negative prompt
Longview Tax21%
6 of 29 labels negative · 6 of 14 models · 2 hard negative
“"Legacy Tools with Stale Architecture (e.g., Longview Tax)" ... "The risk of inaccuracies and lack of auditability makes them a poor choice for large enterprises"” Muse Glimmer 30B, negative prompt
Bloomberg Tax Provision14%
5 of 36 labels negative · 5 of 14 models
“Because that expansion is recent, test its coverage against your actual jurisdictions and use cases.” GPT-6 Luna, comparative prompt
Avalara42%
5 of 12 labels negative · 4 of 14 models · 1 hard negative
“These are *not* income tax return preparation tools.” DeepSeek V4 Flash, paraphrase prompt
What they cite
Citations exist only for the models that return a source list: fourteen of the fourteen in this edition, and all six flagship models on the expanded tier.
Sites the answers cite
78 of 84 answers in this category came back with a source list, from 14 of 14 models: citations where the model returns them, or the search results it consulted. 1130 links across 193 sites, every framing counted. Ranked by the number of answers carrying the site or page. 61 of the 252 answers across every segment cited this index's own page for the category; the method page measures whether that reading tilts an answer.
vendor site · Thomson Reuters60 answers · 141 citations · 14 models
vendor site · Worldmetrics42 answers · 107 citations · 11 models
40 answers · 77 citations · 11 models
30 answers · 49 citations · 10 models
28 answers · 42 citations · 11 models
25 answers · 25 citations · 9 models
vendor site · Bloomberg Tax24 answers · 49 citations · 9 models
20 answers · 23 citations · 8 models
18 answers · 23 citations · 9 models
17 answers · 27 citations · 9 models
17 answers · 20 citations · 8 models
17 answers · 17 citations · 10 models
Pages the answers cite
The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.
29 answers · 11 models
29 answers · 10 models
28 answers · 9 models
27 answers · 9 models
25 answers · 9 models
23 answers · 9 models
22 answers · 9 models
16 answers · 10 models
16 answers · 9 models
15 answers · 9 models
Search against answers
Each company's standing in the answers beside its site's footprint in Google search, one row a site: the products the models named on it with their shares, and the share they add up to; monthly searches on Google, and DataForSEO's estimate of AI search demand (modeled from search signals, directional, not a count of queries to any assistant), for the most-searched of the company's and its products' names (the name is in each row's hover text); estimated monthly organic visits to the site; and its best position in Google's top ten for “best corporate tax provision software”, “corporate tax provision software”, “tax provision tools”. US estimates from DataForSEO and Google's Ads Transparency Center. A small company's site, or a mid-sized company's site for its flagship, is marked company; a product on a large parent's site (Google, Microsoft) has no site figures. A column with no figures for this category is left out, and an empty cell means none were seen, not none exist. Two measurements side by side: neither is read as the cause of the other.
| Company and products | Share | Own site cited | Name searches, Google | AI search demand, est. | Organic visits | Paid search a month, est. | Google ads, last 30 days | Best Google position |
|---|---|---|---|---|---|---|---|---|
| Thomson Reuters thomsonreuters.com Thomson Reuters ONESOURCE Tax Provision 46%, Thomson Reuters ONESOURCE Income Tax 10% | 56% | 152 | 20 | 0 | 3,055,379 company | $313 | 120 | 2 |
| CSC cscglobal.com CSC Corptax 12% | 12% | 81 | 260 | 2 | 100,643 company | $72 | 49 | 5 |
| Wolters Kluwer CCH Tagetik wolterskluwer.com Wolters Kluwer CCH Tagetik Tax Provision 4%, Wolters Kluwer CCH Integrator 2% | 6% | 15 | 2,373,906 company | $15,481 | 28 | 3 | ||
| Bloomberg Tax bloombergtax.com Bloomberg Tax Provision 4% | 4% | 118 | 90 | 0 | 189,229 company | 37 | 1 | |
| Sovos sovos.com Sovos Tax Provision 2% | 2% | 52 | 3,600 | 220 | 95,951 company | 93 | ||
| Longview longviewsystems.com Longview Tax 2% | 2% | 89 | 50 | 59 | 1,157 company | |||
| Vertex vertexinc.com Vertex 2%, Vertex Tax Accounting 0% | 2% | 226 | 110,000 | 13,807 | 32,080 | $3,975 | 69 | |
| Workiva Tax and Provision workiva.com | 2% | 17 | 0 | 58,186 | $23 | 64 | ||
| ADP adp.com | 2% | 7 | 2,740,000 | 23,897 | 13,578,070 | $62,421 | 108 | |
| Avii Workspace | 2% |
Google's top ten for the three searches hold 15 sites; 4 of them are among the sites the models cited here (cbh.com, itechguides.com, pro.bloombergtax.com, tax.thomsonreuters.com). The first result for “best corporate tax provision software” is theaccessgroup.com.
How they answered
Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.ShowHide
How they answered
Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.
ShowHideModelDirect“What is the best corporate tax provision software for an enterprise B2B company?”Paraphrase“Which income tax compliance software would you recommend to a large B2B company with thousands of employees?”Comparative“What are the top enterprise-grade tax provision tools and how do they differ?”Budget-constrained“What is the best corporate tax provision software for a large company that needs predictable total cost across thousands of users?”Scale-constrained“We are a 5,000 person company with SSO, SOC 2 and procurement review requirements evaluating a corporate tax provision software. What should we look at?”Negative“Which tax provision tools should a large enterprise avoid or be cautious about?”
Claude Haiku 4.5Bloomberg Tax Provision, ONESOURCE Corporate TaxDeelChangedThomson Reuters ONESOURCE Tax ProvisionAvii Workspaceagainst: Avalara, Bloomberg Tax Provision, Thomson Reuters ONESOURCE Tax Provisionno first choicenothing named
Two alternatives
CSC Corptax, Oracle Tax ReportingFour alternatives
Dayforce, UKG Pro, Vertex, Workday PayrollSix alternatives
Bloomberg Tax Provision, CSC Corptax, Longview Tax, Oracle Tax Reporting, Sovos Tax Provision, VertexOne alternative
Bloomberg Tax ProvisionGPT-5.4 miniThomson Reuters ONESOURCE Tax ProvisionVertexChangedThomson Reuters ONESOURCE Tax Provisionagainst: Longview TaxLongview Taxagainst: CCH Axcessno first choicenothing named
Three alternatives
CCH Tagetik Tax Provision & Reporting, CSC Corptax, Longview TaxTwo alternatives
Avalara, SymmetryFour alternatives
Corptax Provision, Vertex, Vertex Tax Accounting, Wolters Kluwer CCH Tagetik Tax ProvisionOne alternative
CCH IntegratorGemini 3.5 FlashThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax ProvisionHeldThomson Reuters ONESOURCE Tax ProvisionWorkiva Tax and Provisionagainst: Thomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax Provisionagainst: Bloomberg Tax Provision, CSC Corptax, Excel, Longview Tax, Oracle Hyperion Tax Provision, Thomson Reuters ONESOURCE Tax Provision
Five alternatives
Bloomberg Tax Provision, CSC Corptax, Longview Tax, OneStream, Oracle Tax ReportingSix alternatives
ADP SmartCompliance, Avalara Platform, CSC Corptax, Equifax Workforce Solutions, Oracle Tax Reporting, Vertex O SeriesFive alternatives
Bloomberg Tax Provision, CSC Corptax, Longview Tax, OneStream Tax Provision, Oracle Tax ReportingTwo alternatives
CSC Corptax, OneStreamFour alternatives
CSC Corptax, Longview Tax, OneStream, Oracle Fusion Cloud EPMPerplexity SonarThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Income TaxChangedagainst: Avalara, VertexThomson Reuters ONESOURCE Tax Provisionagainst: Lucasys Tax Provision, Oracle TaxCSC CorptaxCSC Corptax, Thomson Reuters ONESOURCE Tax Provisionagainst: Excel
Two alternatives
Bloomberg Tax Provision, CSC Corptax Tax ProvisionOne alternative
GoSystem Tax RSFour alternatives
Bloomberg Tax Provision, Sovos Tax Provision, Vertex O Series, Wolters Kluwer CCH Tagetik Tax ProvisionOne alternative
Thomson Reuters ONESOURCE Tax ProvisionTwo alternatives
Bloomberg Tax Provision, Wolters Kluwer CCH Tagetik Tax ProvisionGrok 4.1 FastThomson Reuters ONESOURCE Tax Provisionagainst: AvalaraThomson Reuters ONESOURCE Income TaxChangedagainst: Avalara, VertexThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax Provisionagainst: Bloomberg Tax Provision, Wolters Kluwer CCH Axcess Taxno first choiceagainst: Excel, NetSuite, OneStream, Vertex
Two alternatives
Sovos Tax Provision, Vertex Tax AccountingTwo alternatives
CSC Corptax, Wolters Kluwer GoSystem Tax RSThree alternatives
Bloomberg Tax Provision, Oracle Tax Reporting, Sovos Tax ProvisionOne alternative
CSC CorptaxThree alternatives
Bloomberg Tax Provision, CSC Corptax, Thomson Reuters ONESOURCE Tax ProvisionMistral SmallThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Income TaxChangedThomson Reuters ONESOURCE Tax ProvisionCSC Corptax, Thomson Reuters ONESOURCE Tax Provisionno first choicenothing named
Two alternatives
Sovos Tax Provision, Vertex Tax AccountingOne alternative
Bloomberg Tax ProvisionTwo alternatives
Oracle Tax, Sovos Tax ProvisionOne alternative
Oracle Tax ReportingDeepSeek V4 FlashThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Income TaxChangedagainst: Avalara, Bloomberg Tax Provision, Longview Tax, Sovos Tax Provision, VertexThomson Reuters ONESOURCE Tax ProvisionCSC Corptaxagainst: Workiva Tax and ProvisionThomson Reuters ONESOURCE Tax Provisionagainst: Excel, H&R Block Small Business, TaxSlayer, TurboTax Business
Three alternatives
CSC Corptax, Oracle Tax Reporting, Sovos Tax ProvisionOne alternative
CSC CorptaxSix alternatives
Bloomberg Tax Provision, CSC Corptax, Longview Tax, OneStream Tax Provision, Oracle Tax, Sovos Tax ProvisionOne alternative
Thomson Reuters ONESOURCE Tax ProvisionThree alternatives
Bloomberg Tax Provision, CSC Corptax, Sovos Tax ProvisionLlama 4 Maverickno first choiceOnesource Income TaxChangedTaxPointSovos Tax Provisionno first choicenothing named
Two alternatives
Guideflow, Tax software by Thomson ReutersSeven alternatives
FloQast Tax Provision, Longview Tax, Lucasys Tax Provision, Sovos Tax Provision, Taxfyle, Thomson Reuters ONESOURCE Tax Provision, Vertex Tax AccountingQwen 3.7 FlashThomson Reuters CORPTAXADP, AvalaraChangedThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax Provisionno first choiceagainst: ADP Global EOR, Airtable, Deel, Excel, Microsoft Dynamics, Microsoft PowerApps, Oracle NetSuite, Rippling, SAP S/4HANA, Salesforce
Two alternatives
Indico Data Solutions, Workiva Tax and ProvisionFour alternatives
Deel, Remote, Rippling, VertexFour alternatives
CSC Corptax, Longview Tax, OneStream Tax Provision, Oracle Tax ReportingTwo alternatives
Altius Tax Provision, Longview TaxKimi K2Thomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax ProvisionHeldagainst: Sovos Compliance CloudThomson Reuters ONESOURCE Tax ProvisionWolters Kluwer CCH Tagetik Tax Provisionagainst: Thomson Reuters ONESOURCE Tax ProvisionCSC Corptaxagainst: Taxfyle
Three alternatives
Bloomberg Tax Provision, CCH Tagetik Tax Provision & Reporting, Vertex O SeriesThree alternatives
Bloomberg Tax Provision, CSC Corptax AIT, Vertex Enterprise Tax SolutionsSix alternatives
Bloomberg Tax Provision, CCH Tagetik Tax Provision & Reporting, Longview Tax, Oracle Tax Reporting, SAP Tax Compliance, VertexOne alternative
Longview TaxThree alternatives
Oracle, Sovos Tax Provision, Thomson ReutersGLM 4.7 FlashXWolters Kluwer CCH Tagetik Tax ProvisionThomson Reuters ONESOURCE Tax ProvisionChangedThomson Reuters ONESOURCE Tax Provisionagainst: Sovos Tax Compliance CloudThomson Reuters ONESOURCE Tax Provisionagainst: Wolters Kluwer CCH Tagetik Tax Provisionno first choiceagainst: Longview Tax
Four alternatives
Bloomberg Tax Provision, Longview Tax, Sovos Tax Provision, Thomson Reuters ONESOURCE Tax ProvisionTwo alternatives
Avalara, VertexTwo alternatives
Bloomberg Tax Provision, Vertex Corporate TaxOne alternative
Oracle Tax ReportingMiniMax M2.5Bloomberg Tax Provision, Thomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax ProvisionChangedThomson Reuters ONESOURCE Tax Provisionno first choiceno first choiceagainst: Spreadsheets
Two alternatives
CSC Corptax, Sovos Tax ProvisionThree alternatives
Avalara, Oracle Tax Reporting, Wolters Kluwer CCH Tagetik Tax ProvisionThree alternatives
Bloomberg Tax Provision, CSC Corptax, Sovos Tax ProvisionTwo alternatives
SAP Tax Compliance, Thomson Reuters ONESOURCE Tax ProvisionGPT-6 LunaThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax Provision, Wolters Kluwer CCH IntegratorChangedCSC Corptax, Thomson Reuters ONESOURCE Tax Provisionagainst: Bloomberg Tax ProvisionCSC Corptaxagainst: Longview Tax, Oracleno first choicenothing named
Three alternatives
CSC Corptax AIT, Longview Tax, Oracle Tax ReportingOne alternative
ADP SmartCompliance Employment TaxThree alternatives
CCH Tagetik Tax Provision & Reporting, Longview Tax, Oracle Tax ReportingOne alternative
Thomson Reuters ONESOURCE Tax ProvisionMuse Glimmer 30BThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Income TaxChangedThomson Reuters ONESOURCE Tax ProvisionThomson Reuters ONESOURCE Tax Provisionno first choiceagainst: Excel, Longview Tax, Taxfyle
Two alternatives
CSC Corptax, OneStream Tax ProvisionThree alternatives
Bloomberg Tax Provision, Deloitte Tax Provision, Wolters Kluwer CCH IntegratorThree alternatives
Longview Tax Provision – Insightsoftware, Oracle Tax Reporting, Sovos Tax ProvisionTwo alternatives
CSC Corptax, Longview TaxBold is the first choiceAlternatives are counted; the count opens them.What the answer argued against
The record
One row per call: the version string exactly as returned, whether the model searched, sources cited, and latency. Full answer text is in the free responses file. Download the record
Eighty-four rows: every prompt, every model, every answer.
| Prompt | Model | Version string | Time (UTC) | Searched | Sources | Latency |
|---|---|---|---|---|---|---|
| Direct recommendation | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-10-01 09:58 | yes | 9 | 7 s |
| Direct recommendation | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-10-01 07:57 | yes | 4 | 8 s |
| Direct recommendation | Gemini 3.5 Flash | gemini-3.5-flash | 2026-10-01 07:44 | yes | 21 | 27 s |
| Direct recommendation | Perplexity Sonar | sonar | 2026-10-01 09:25 | yes | 16 | 3 s |
| Direct recommendation | Grok 4.1 Fast | spacexai/grok-4.1-fast-non-reasoning via vertex | 2026-10-01 09:00 | yes | 22 | 8 s |
| Direct recommendation | Mistral Small | mistral/mistral-small via mistral | 2026-10-01 08:20 | yes | 11 | 7 s |
| Direct recommendation | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-10-01 10:18 | yes | 22 | 22 s |
| Direct recommendation | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-10-01 09:26 | yes | 5 | 2 s |
| Direct recommendation | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-10-01 09:56 | no | 0 | 33 s |
| Direct recommendation | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-10-01 09:47 | yes | 18 | 22 s |
| Direct recommendation | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-10-01 10:40 | yes | 14 | 46 s |
| Direct recommendation | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-10-01 10:14 | yes | 17 | 29 s |
| Direct recommendation | GPT-6 Luna | gpt-6-luna | 2026-10-01 10:37 | yes | 4 | 17 s |
| Direct recommendation | Muse Glimmer 30B | meta/muse-glimmer-30b via togetherai | 2026-10-01 10:47 | yes | 14 | 23 s |
| Paraphrase | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-10-01 09:14 | yes | 18 | 9 s |
| Paraphrase | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-10-01 09:49 | yes | 5 | 7 s |
| Paraphrase | Gemini 3.5 Flash | gemini-3.5-flash | 2026-10-01 08:29 | yes | 20 | 28 s |
| Paraphrase | Perplexity Sonar | sonar | 2026-10-01 09:45 | yes | 18 | 4 s |
| Paraphrase | Grok 4.1 Fast | spacexai/grok-4.1-fast-non-reasoning via vertex | 2026-10-01 10:26 | yes | 23 | 8 s |
| Paraphrase | Mistral Small | mistral/mistral-small via mistral | 2026-10-01 11:13 | yes | 5 | 4 s |
| Paraphrase | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-10-01 11:23 | yes | 23 | 44 s |
| Paraphrase | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-10-01 07:53 | yes | 5 | 2 s |
| Paraphrase | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-10-01 09:21 | no | 0 | 34 s |
| Paraphrase | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-10-01 09:57 | yes | 23 | 28 s |
| Paraphrase | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-10-01 08:00 | yes | 15 | 22 s |
| Paraphrase | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-10-01 10:07 | yes | 10 | 31 s |
| Paraphrase | GPT-6 Luna | gpt-6-luna | 2026-10-01 11:20 | yes | 2 | 12 s |
| Paraphrase | Muse Glimmer 30B | meta/muse-glimmer-30b via togetherai | 2026-10-01 08:01 | yes | 23 | 36 s |
| Comparative | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-10-01 09:20 | yes | 10 | 9 s |
| Comparative | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-10-01 11:21 | yes | 8 | 12 s |
| Comparative | Gemini 3.5 Flash | gemini-3.5-flash | 2026-10-01 08:38 | yes | 29 | 30 s |
| Comparative | Perplexity Sonar | sonar | 2026-10-01 10:27 | yes | 16 | 4 s |
| Comparative | Grok 4.1 Fast | spacexai/grok-4.1-fast-non-reasoning via vertex | 2026-10-01 09:48 | yes | 19 | 14 s |
| Comparative | Mistral Small | mistral/mistral-small via mistral | 2026-10-01 10:34 | yes | 14 | 8 s |
| Comparative | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-10-01 07:32 | yes | 20 | 39 s |
| Comparative | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-10-01 10:11 | yes | 5 | 5 s |
| Comparative | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-10-01 08:11 | yes | 23 | 48 s |
| Comparative | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-10-01 11:21 | yes | 25 | 37 s |
| Comparative | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-10-01 10:49 | yes | 25 | 32 s |
| Comparative | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-10-01 09:58 | yes | 14 | 34 s |
| Comparative | GPT-6 Luna | gpt-6-luna | 2026-10-01 10:06 | yes | 6 | 41 s |
| Comparative | Muse Glimmer 30B | meta/muse-glimmer-30b via togetherai | 2026-10-01 09:40 | yes | 22 | 46 s |
| Budget constrained | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-10-01 08:08 | yes | 17 | 8 s |
| Budget constrained | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-10-01 08:46 | yes | 3 | 5 s |
| Budget constrained | Gemini 3.5 Flash | gemini-3.5-flash | 2026-10-01 10:17 | yes | 10 | 28 s |
| Budget constrained | Perplexity Sonar | sonar | 2026-10-01 10:26 | yes | 19 | 3 s |
| Budget constrained | Grok 4.1 Fast | spacexai/grok-4.1-fast-non-reasoning via vertex | 2026-10-01 08:04 | yes | 18 | 12 s |
| Budget constrained | Mistral Small | mistral/mistral-small via mistral | 2026-10-01 11:26 | yes | 20 | 6 s |
| Budget constrained | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-10-01 09:27 | yes | 22 | 36 s |
| Budget constrained | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-10-01 11:01 | yes | 5 | 1 s |
| Budget constrained | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-10-01 10:09 | yes | 9 | 93 s |
| Budget constrained | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-10-01 08:47 | yes | 22 | 33 s |
| Budget constrained | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-10-01 10:41 | yes | 20 | 64 s |
| Budget constrained | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-10-01 09:55 | yes | 15 | 57 s |
| Budget constrained | GPT-6 Luna | gpt-6-luna | 2026-10-01 11:08 | yes | 3 | 18 s |
| Budget constrained | Muse Glimmer 30B | meta/muse-glimmer-30b via togetherai | 2026-10-01 09:39 | yes | 21 | 29 s |
| Scale constrained | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-10-01 08:05 | yes | 18 | 12 s |
| Scale constrained | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-10-01 08:41 | no | 0 | 7 s |
| Scale constrained | Gemini 3.5 Flash | gemini-3.5-flash | 2026-10-01 09:27 | yes | 10 | 27 s |
| Scale constrained | Perplexity Sonar | sonar | 2026-10-01 08:18 | yes | 19 | 8 s |
| Scale constrained | Grok 4.1 Fast | spacexai/grok-4.1-fast-non-reasoning via vertex | 2026-10-01 10:22 | yes | 17 | 13 s |
| Scale constrained | Mistral Small | mistral/mistral-small via mistral | 2026-10-01 10:49 | no | 0 | 6 s |
| Scale constrained | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-10-01 10:32 | yes | 21 | 53 s |
| Scale constrained | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-10-01 09:33 | yes | 5 | 3 s |
| Scale constrained | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-10-01 10:49 | yes | 5 | 14 s |
| Scale constrained | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-10-01 09:42 | yes | 15 | 24 s |
| Scale constrained | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-10-01 10:11 | yes | 23 | 68 s |
| Scale constrained | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-10-01 08:30 | yes | 5 | 19 s |
| Scale constrained | GPT-6 Luna | gpt-6-luna | 2026-10-01 07:47 | yes | 3 | 39 s |
| Scale constrained | Muse Glimmer 30B | meta/muse-glimmer-30b via togetherai | 2026-10-01 10:44 | yes | 22 | 45 s |
| Negative framing | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-10-01 08:45 | yes | 18 | 9 s |
| Negative framing | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-10-01 08:29 | no | 0 | 6 s |
| Negative framing | Gemini 3.5 Flash | gemini-3.5-flash | 2026-10-01 10:58 | yes | 25 | 28 s |
| Negative framing | Perplexity Sonar | sonar | 2026-10-01 08:26 | yes | 17 | 3 s |
| Negative framing | Grok 4.1 Fast | spacexai/grok-4.1-fast-non-reasoning via vertex | 2026-10-01 09:15 | yes | 13 | 6 s |
| Negative framing | Mistral Small | mistral/mistral-small via mistral | 2026-10-01 11:22 | yes | 5 | 3 s |
| Negative framing | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-10-01 07:44 | yes | 21 | 39 s |
| Negative framing | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-10-01 11:02 | yes | 5 | 2 s |
| Negative framing | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-10-01 09:32 | no | 0 | 27 s |
| Negative framing | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-10-01 08:15 | yes | 15 | 26 s |
| Negative framing | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-10-01 08:58 | yes | 8 | 27 s |
| Negative framing | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-10-01 07:33 | yes | 14 | 56 s |
| Negative framing | GPT-6 Luna | gpt-6-luna | 2026-10-01 08:31 | yes | 3 | 20 s |
| Negative framing | Muse Glimmer 30B | meta/muse-glimmer-30b via togetherai | 2026-10-01 07:49 | yes | 16 | 31 s |
Normalization in this category
Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.
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Category-scoped readings
Bloomberg Tax read as Bloomberg Tax Provision
Bloomberg Tax (formerly BNA) read as Bloomberg Tax Provision
Bloomberg Tax Technology read as Bloomberg Tax Provision
CCH Tagetik read as Wolters Kluwer CCH Tagetik Tax Provision
H&R Block read as H&R Block Small Business
Longview read as Longview Tax
Lucasys read as Lucasys Tax Provision
ONESOURCE read as Thomson Reuters ONESOURCE Tax Provision
Oracle Cloud EPM Tax Reporting read as Oracle Tax Reporting
Oracle EPM Tax Provision read as Oracle Tax Reporting
Sovos read as Sovos Tax Provision
Tagetik read as Wolters Kluwer CCH Tagetik Tax Provision
Thomson Reuters ONESOURCE read as Thomson Reuters ONESOURCE Tax Provision
Thomson Reuters ONESOURCE (Income Tax/Provision) read as Thomson Reuters ONESOURCE Tax Provision
Wolters Kluwer CCH Tagetik read as Wolters Kluwer CCH Tagetik Tax Provision
Workiva read as Workiva Tax and Provision
Workiva (Connected Tax / Tax Provisioning) read as Workiva Tax and Provision
Unresolved, counted raw
ADP Global EOR
ADP SmartCompliance Employment Tax
ADP Workforce Now
Altius Tax Provision
Avalara Platform
Avii Workspace
CSC Corptax Accounting for Income Taxes (AIT)
CSC Corptax Tax Provision
Cloud EPM (Tax Reporting)
Corptax AIT
Deloitte Tax Provision
Equifax Workforce Solutions (specifically Symmetry)
GoSystem (Bloomberg)
Indico Data Solutions
KPMG Tax
Longview Tax Provision – Insightsoftware
Microsoft PowerApps
ONESOURCE Corporate Tax
Oracle Hyperion Tax Provision
Oracle Tax
Oracle Tax (part of Oracle ERP Cloud)
Oracle tax/provision-adjacent options
Sovos OneStream
Sovos Tax Compliance Cloud
Symmetry
Tax software by Thomson Reuters
Thomson Reuters CORPTAX
UKG Pro
Vertex Enterprise Tax Solutions
Wolters Kluwer CCH Axcess Tax
Wolters Kluwer CCH Tax / Axcess Tax
Wolters Kluwer GoSystem Tax RS (or CCH Axcess)
Workday Payroll
Discontinued, still offered
No shut-down product was recommended here.