# CoStar Real Estate Manager: how AI models rank it, September 2026

Finance AI Recommendation Index, September 2026 Edition. Named in 7 judge labels across 1 categories by 6 of 12 models. Page: https://finance-ai-index.com/vendors/costar-real-estate-manager/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Lease accounting | 0% | 47 | 29% | 7 |

## And against it

- "Insufficient automation, limited reporting, and poor integration with finance systems... Steer clear of tools that have been widely replaced or discontinued (e.g., older CoStar lease modules" (GLM 4.7 FlashX, Lease accounting)
- "Software like MRI, CoStar, or Lucernex ... these platforms are notoriously expensive, complex, and will overwhelm a pure accounting department" (Gemini 3.5 Flash, Lease accounting)

## 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.