Corporate tax provision · October 2026 Edition
Bloomberg Tax Provision vs TaxAct Business
Six of fourteen models named Bloomberg Tax Provision first on the direct prompt; zero named TaxAct Business. Bloomberg Tax Provision was named by fourteen of the fourteen models and TaxAct Business by nine and Bloomberg Tax Provision carries 52 labels and TaxAct Business 10, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share19%13%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate19%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#3A position in a field of 9; printed, not drawn.
Labels5210A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Bloomberg 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 nine of the fourteen direct answers. Thomson Reuters ONESOURCE Tax Provision vs Bloomberg Tax Provision · Thomson Reuters ONESOURCE Tax Provision vs TaxAct Business · 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.
Bloomberg Tax ProvisionFirst choices, of fourteen modelsTaxAct Business
Direct60
Paraphrase00
Comparative001 against Bloomberg Tax Provision
Budget-constrained174 against Bloomberg Tax Provision
Scale-constrained30
Negative305 against Bloomberg Tax Provision
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, Bloomberg Tax Provision and TaxAct Business were named in the same answer twenty-nine times, of the 118 answers naming Bloomberg Tax Provision and the 46 naming TaxAct Business. In those answers TaxAct Business took the first choice fifteen times and Bloomberg Tax Provision seven.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Bloomberg Tax Provision and TaxAct Business 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 | | | | |
Bloomberg Tax Provision TaxAct Business first choice named as an alternative argued againstblank: not namedEach cell is one answer, Bloomberg Tax Provision on the left and TaxAct Business on the right.The direct prompt
The plain question, one answer per model, grouped by where Bloomberg Tax Provision and TaxAct Business stood in it.
Bloomberg Tax Provision first, TaxAct Business not the choice
6 of 14 modelsTaxAct Business was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Bloomberg Tax Provision alternatives: Longview Tax, Thomson Reuters ONESOURCE Tax Provision
GPT-5.4 miniBloomberg Tax Provision, Longview Tax
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
MiniMax M2.5Bloomberg Tax Provision, Vertex Tax Accounting alternatives: Oracle Tax Reporting, Thomson Reuters ONESOURCE Tax Provision
Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.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
Kimi K2Thomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, Vertex Tax Accounting
Muse Glimmer 30BThomson Reuters ONESOURCE Tax Provision alternatives: Bloomberg Tax Provision, OneStream Tax Provision, Vertex Tax Accounting
Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.Llama 4 Maverickno first choice
GLM 4.7 FlashXThomson Reuters ONESOURCE Tax Provision alternatives: CCH Axcess Tax, Vertex Tax Accounting
GPT-6 LunaThomson Reuters ONESOURCE Tax Provision alternatives: CSC Corptax
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
TaxAct Business leads by thirteen points.
TaxAct Business28%#1 of 9Bloomberg Tax Provision15%#2 of 9Mid-marketThe figures above
The order flips: Bloomberg Tax Provision leads at mid-market.
Bloomberg Tax Provision19%#2 of 9TaxAct Business13%#3 of 9Enterprise
TaxAct Business is not named for this buyer.
Bloomberg Tax Provision4%#3 of 9TaxAct Business—not namedWhat the models said about Bloomberg Tax Provision
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 Bloomberg Tax Provision and Thomson Reuters ONESOURCE unless you have a large staff and a budget exceeding $25k–$50k/year."” Muse Glimmer 30B · negative prompt · hard negative
“Avoid Bloomberg Tax Provision, Thomson Reuters ONESOURCE, and other enterprise\u2011grade provision platforms” GLM 4.7 FlashX · budget prompt · hard negative
“Also targeted at large enterprises, this tool is not cost-effective for smaller operations.” Mistral Small · negative prompt · hard negative
“look for mid-market, native-cloud software (such as *Bloomberg Tax Provision* or *TaxProvision.net*) that emphasizes quick, out-of-the-box onboarding” Gemini 3.5 Flash · negative prompt · first choice
“Mid-Market Specialists (e.g., Bloomberg Tax Provision): Built specifically to replace Excel for mid-market tax teams.” Gemini 3.5 Flash · scale prompt · first choice
“Tools like Bloomberg and ONESOURCE often top mid-size lists for traceable workflows and integrations.” Grok 4.1 Fast · scale prompt · first choice
What the models said about TaxAct Business
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“TaxAct Business \u2013 Best Value for Small Companies ... at ~$170-280/year is your most cost-effective option” Kimi K2 · budget prompt · first choice
“Top Recommendation: TaxAct Business ... Often cited as the most cost-effective professional-grade option.” Qwen 3.7 Flash · budget prompt · first choice
“TaxAct Business is generally considered the best value for small businesses with limited budgets” Mistral Small · budget prompt · first choice
Also compared
Thomson Reuters ONESOURCE Tax Provision vs Bloomberg Tax ProvisionThomson Reuters ONESOURCE 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 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.