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

Finance AI Recommendation Index, October 2026 Edition. Named in 4 judge labels across 3 categories by 3 of 14 models. Page: https://finance-ai-index.com/vendors/excel-spreadsheets/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Corporate tax provision | 0% | 99 | 100% | 2 |
| Corporate performance management | 0% | 89 | 100% | 1 |
| Fixed asset accounting | 0% | 100 | 100% | 1 |

## And against it

- "Why avoid: ... version control errors, security failures, inaccurate data, and lack of audit trails" (DeepSeek V4 Flash, Corporate performance ma)
- "Avoid relying on Excel-only approaches if you have multi-jurisdictional or complex operations" (DeepSeek V4 Flash, Corporate tax provision)
- "This is the #1 thing to avoid for growing organizations" (Kimi K2, Fixed asset accounting)
- "many experts warn about the risks of using Excel spreadsheets for tax provisioning" (Mistral Small, Corporate tax provision)

## Movement since September 2026

Floor: 10 points of share, measured on the calibration repeat. A larger change is movement; a smaller one is noise.

- Corporate tax provision: 0% to 0%, ±0. New · not ranked in September 2026 · rank 99 of 102.
- Corporate performance management: 0% to 0%, ±0. New · not ranked in September 2026 · rank 89 of 99.
- Fixed asset accounting: 0% to 0%, ±0. New · not ranked in September 2026 · rank 100 of 107.

## 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, October 2026 Edition, finance-ai-index.com.