# Excel spreadsheets: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 2 judge labels across 1 category by 2 of 14 models. Page: https://www.gane.ai/index/finance/vendors/excel-spreadsheets

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Corporate tax provision](https://www.gane.ai/index/finance/tax/corporate-tax-provision/index.md) | 0% | 93 | 100% | 2 |

## And against it

- "Why avoid: While Excel is flexible, it introduces significant risks when used as the *primary* tool for tax provision" (DeepSeek V4 Flash, Corporate tax provision)
- "Avoid: Using Excel as your primary tax provision calculation tool" (GLM 4.7 FlashX, 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 | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 1 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 1 | 1 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Excel spreadsheets, from 4 of the 4 answers that named it (only the models that return a source list).

### Domains cited

- irs.gov: 2
- pro.bloombergtax.com: 2
- reddit.com: 2
- tax.thomsonreuters.co.uk: 2
- tax.thomsonreuters.com: 2
- bakertilly.com: 1
- bitdefender.com: 1
- cbh.com: 1
- cdn.ymaws.com: 1
- cfo.com: 1

### Pages cited

- https://bakertilly.com/insights/tax-strategy-playbook-federal-tax-corporations-2024: 1
- https://bitdefender.com/en-us/blog/hotforsecurity/the-one-big-beautiful-bill-brings-new-tax-deductions-8-potential-scams-small-businesses-should-watch-out-for: 1
- https://cbh.com/insights/articles/tax-provision-automation-guide-benefits-software-roadmap: 1
- https://cdn.ymaws.com/www.taxact.org/resource/resmgr/2024_conference/bloomberg_tax.pdf: 1
- https://cfo.com/news/eight-keys-for-implementing-tax-provision-software/665328: 1
- https://claimyr.com/government-services/irs/OneSource-Tax-Provision-Software-Experiences-Costs-Alternatives-for-Multinational-Manufacturer/2025-04-11: 1
- https://corporatetaxadvisors.com/corporate-tax-planning-in-2026-strategies-law-changes-and-practical-steps-for-businesses: 1
- https://cpai.com/Education-Resources/my-firm/Tax-Services/Avoiding-fallout-from-aggressive-tax-strategies: 1

## 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.