# CSC Corptax Accounting for Income Taxes: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 28 judge labels across 1 category by 12 of 14 models. Page: https://www.gane.ai/index/finance/vendors/csc-corptax-accounting-for-income-taxes

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Corporate tax provision](https://www.gane.ai/index/finance/tax/corporate-tax-provision/index.md) | 2% | 12 | 32% | 28 |

## What the models said for it

- "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, Corporate tax provision)
- "Choose ONESOURCE or Corptax for a broad corporate-tax platform" (Perplexity Sonar, Corporate tax provision)
- "Often recommended for companies that want to combine their provision work with state/federal return preparation in one place." (Qwen 3.7 Flash, Corporate tax provision)
- "Choose CSC Corptax if your tax team handles both provision and US corporate income tax return filings in-house" (Gemini 3.5 Flash, Corporate tax provision)

## And against it

- "Avoid as a first choice on a tight budget: ONESOURCE, CSC Corptax, and similar enterprise suites" (Perplexity Sonar, Corporate tax provision)
- "Avoid ONESOURCE and Corptax unless you have a Fortune-500-style tax department." (Muse Glimmer 30B, Corporate tax provision)
- "should be avoided or used with caution include: ... Corptax" (Llama 4 Maverick, Corporate tax provision)
- "What to avoid on a tight budget: ... CSC Corptax" (Muse Glimmer 30B, Corporate tax provision)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 1 | 4 | 0 | 1 | 6 |
| Perplexity Sonar | 1 | 0 | 0 | 1 | 2 |
| Grok 4.20 | 0 | 1 | 1 | 1 | 3 |
| Mistral Small | 0 | 1 | 0 | 0 | 1 |
| DeepSeek V4 Flash | 0 | 2 | 0 | 1 | 3 |
| Llama 4 Maverick | 0 | 0 | 0 | 1 | 1 |
| Qwen 3.7 Flash | 0 | 1 | 0 | 0 | 1 |
| Kimi K2 | 0 | 2 | 0 | 0 | 2 |
| GLM 4.7 FlashX | 0 | 0 | 1 | 1 | 2 |
| MiniMax M2.5 | 0 | 1 | 1 | 1 | 3 |
| GPT-6 Luna | 0 | 0 | 1 | 0 | 1 |
| Muse Glimmer 30B | 0 | 0 | 1 | 2 | 3 |

## Sources returned with these answers

The sites and pages cited by the answers that named CSC Corptax Accounting for Income Taxes, from 87 of the 94 answers that named it (only the models that return a source list).

### Domains cited

- tax.thomsonreuters.com: 54
- gane.ai/index: 43
- pro.bloombergtax.com: 34
- rankite.com: 27
- cscglobal.com: 25 (its own site)
- capterra.com: 22
- houseblend.io: 21
- axiobench.com: 20
- auditfriendly.co: 17
- sourceforge.net: 17

### Pages cited

- https://www.gane.ai/index/finance/tax/corporate-tax-provision/enterprise: 30
- https://pro.bloombergtax.com/insights/tax-solutions/buyers-guide-how-to-find-the-right-tax-provision-software: 21
- https://tax.thomsonreuters.com/en/products/onesource-tax-provision: 20
- https://rankite.com/blog/best-tax-provision-software: 18
- https://houseblend.io/articles/asc-740-tax-provision-software-onesource-longview-netsuite: 17
- https://cscglobal.com/service/corptax: 16
- https://cbh.com/insights/articles/tax-provision-automation-guide-benefits-software-roadmap: 14
- https://rankite.com/blog/best-corporate-tax-software: 14

## Record

- Method: https://www.gane.ai/index/finance/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/finance.