# Bloomberg Tax Provision vs Longview Tax: which do AI models recommend for corporate tax provision, October 2026

Finance AI Recommendation Index, October 2026 Edition, Corporate tax provision. Six of fourteen models named Bloomberg Tax Provision first on the direct prompt; one named Longview Tax. Page: https://finance-ai-index.com/tax/corporate-tax-provision/bloomberg-tax-provision-vs-longview-tax/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Bloomberg Tax Provision | 19% | #2 of 9 | 19% | 52 | 14 of 14 |
| Longview Tax | 4% | #4 of 9 | 29% | 31 | 14 of 14 |

## The direct prompt, model by model

- GPT-5.4 mini: both first (first choices: Bloomberg Tax Provision, Longview Tax)
- Claude Haiku 4.5: bloomberg tax provision first (first choices: Bloomberg Tax Provision) (alternatives: Longview Tax, Thomson Reuters ONESOURCE Tax Provision)
- Gemini 3.5 Flash: bloomberg tax provision first (first choices: Bloomberg Tax Provision) (alternatives: Exactera Tax Provision, OneStream, Vena Solutions)
- Mistral Small: bloomberg tax provision first (first choices: Bloomberg Tax Provision) (alternatives: Oracle Tax Reporting)
- DeepSeek V4 Flash: bloomberg tax provision first (first choices: Bloomberg Tax Provision) (alternatives: TaxPoint, Thomson Reuters ONESOURCE Tax Provision, Vertex Tax Accounting)
- MiniMax M2.5: bloomberg tax provision first (first choices: Bloomberg Tax Provision, Vertex Tax Accounting) (alternatives: Oracle Tax Reporting, Thomson Reuters ONESOURCE Tax Provision)
- Perplexity Sonar: neither first, one named (first choices: Thomson Reuters ONESOURCE Tax Provision) (alternatives: Bloomberg Tax Provision, Longview Tax, Vertex Tax Accounting, Vertex Tax Provision)
- Grok 4.1 Fast: neither first, one named (first choices: Thomson Reuters ONESOURCE Tax Provision, Vertex Corporate Tax) (alternatives: Bloomberg Tax Provision, Sovos Tax Provision)
- Qwen 3.7 Flash: neither first, one named (first choices: TaxSeries) (alternatives: Bloomberg Tax Provision, OneStream Tax Provision, Sovos Tax Provision)
- Kimi K2: neither first, one named (first choices: Thomson Reuters ONESOURCE Tax Provision) (alternatives: Bloomberg Tax Provision, Vertex Tax Accounting)
- Muse Glimmer 30B: neither first, one named (first choices: Thomson Reuters ONESOURCE Tax Provision) (alternatives: Bloomberg Tax Provision, OneStream Tax Provision, Vertex Tax Accounting)
- Llama 4 Maverick: neither named
- GLM 4.7 FlashX: neither named (first choices: Thomson Reuters ONESOURCE Tax Provision) (alternatives: CCH Axcess Tax, Vertex Tax Accounting)
- GPT-6 Luna: neither named (first choices: Thomson Reuters ONESOURCE Tax Provision) (alternatives: CSC Corptax)

## What the models said about Bloomberg Tax Provision

- ""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 Longview Tax

- "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)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.