# CSC Corptax: how AI models rank it, September 2026

Finance AI Recommendation Index, September 2026 Edition. Named in 24 judge labels across 1 categories by 10 of 12 models. Page: https://finance-ai-index.com/vendors/csc-corptax/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Corporate tax provision | 0% | 23 | 33% | 24 |

## What the models said for it

- "### 1. Corptax (Best Overall - Enterprise)" (Kimi K2, Corporate tax provision)
- "automates complex federal, state, and international tax preparation, excels in handling multi-state apportionment and tax provisions" (Claude Haiku 4.5, Corporate tax provision)
- "Corptax is the primary rival to ONESOURCE. Its defining feature is its single-database architecture." (Gemini 3.5 Flash, Corporate tax provision)
- "Large enterprise with complex compliance needs and heavy jurisdictional coverage | Corptax" (GLM 4.7 FlashX, Corporate tax provision)

## And against it

- "Avoid for Limited Budgets ... Corptax (Wolters Kluwer): Average deal sizes are ~$80k\u2013$130k" (Qwen 3.7 Flash, Corporate tax provision)
- "Avoid: Longview, ONESOURCE, Workiva, Oracle Tax Reporting, and Corptax." (DeepSeek V4 Flash, Corporate tax provision)
- "Enterprise pricing | Comprehensive automation for large multinationals" (Kimi K2, Corporate tax provision)
- "stronger all-around provision automation, but positioned more as an enterprise tool than a budget option" (Perplexity Sonar, Corporate tax provision)

## Record

- Method: https://finance-ai-index.com/methodology/
- Raw judge labels and full responses: https://finance-ai-index.com/data/
- License: CC BY 4.0. Cite as Finance AI Recommendation Index, September 2026 Edition, finance-ai-index.com.