# Lease accounting for enterprise buyers: what AI models recommend, September 2026

Finance AI Recommendation Index, September 2026 Edition. Asked as "lease accounting software" and as "ASC 842 and IFRS 16 compliance tool", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://finance-ai-index.com/accounting/lease-accounting/enterprise/

**Standing:** Nakisa Lease Administration leads with 24% of first choices; verdict contested. 41 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Nakisa Lease Administration | 24% | 8% | 40 |
| 2 | Visual Lease | 15% | 11% | 45 |
| 3 | LeaseAccelerator | 15% | 5% | 37 |
| 4 | FinQuery | 15% | 13% | 39 |
| 5 | MRI ProLease | 7% | 6% | 31 |
| 6 | Black Owl Systems | 7% | 5% | 20 |
| 7 | BlackLine Lease Accounting | 5% | 0% | 13 |
| 8 | CoStar Real Estate Manager | 2% | 21% | 14 |
| 9 | Spacebase | 2% | 27% | 11 |
| 10 | Trullion | 0% | 10% | 21 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Visual Lease; alternatives FinQuery, Nakisa Lease Administration, Spacebase, Trullion
- GPT-5.4 mini: Nakisa Lease Administration; alternatives Accruent Lucernex, FinQuery
- Gemini 3.5 Flash: Nakisa Lease Administration; alternatives FinQuery, LeaseAccelerator, NetLease, Trullion
- Perplexity Sonar: Nakisa Lease Administration; alternatives LeaseQuery powered, Visual Lease
- Grok 4.1 Fast: FinQuery; alternatives BlackLine Lease Accounting, LeaseAccelerator, MRI ProLease, Nakisa Lease Administration
- Mistral Small: Black Owl Systems; alternatives LeaseAccelerator, SOFT4Lessee, Spacebase
- DeepSeek V4 Flash: LeaseAccelerator; alternatives FinQuery, Nakisa Lease Administration
- Llama 4 Maverick: Spacebase; alternatives Black Owl Systems, LeaseAccelerator, SOFT4Lessee, Trullion
- Qwen 3.7 Flash: BlackLine Lease Accounting; alternatives LeaseAccelerator, MRI ProLease, Visual Lease
- Kimi K2: FinQuery, Visual Lease; alternatives BlackLine Lease Accounting, CoStar Real Estate Manager
- GLM 4.7 FlashX: BlackLine Lease Accounting; alternatives Black Owl Systems, CoStar Real Estate Manager, LeaseAccelerator, NetSuite Lease Accounting
- MiniMax M2.5: FinQuery; alternatives BlackLine Lease Accounting, LeaseAccelerator, Spacebase

## Sources the answers cite

67 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- softwareconnect.com: 44 answers, 47 citations
- blackowlsystems.com: 39 answers, 58 citations
- debtbook.com: 37 answers, 37 citations
- gartner.com: 36 answers, 45 citations
- acquisition-international.com: 32 answers, 32 citations
- guideflow.com: 31 answers, 34 citations
- capterra.com: 29 answers, 47 citations
- trullion.com: 28 answers, 33 citations

Pages named in the most answers:

- https://softwareconnect.com/roundups/best-lease-accounting-software (43 answers)
- https://debtbook.com/blog/best-lease-accounting-software (37 answers)
- https://gartner.com/reviews/market/lease-accounting-and-management-software (36 answers)
- https://acquisition-international.com/best-lease-accounting-software-of-2026-from-compliance-to-cashflow (32 answers)
- https://blackowlsystems.com/best-enterprise-lease-accounting-software (32 answers)
- https://guideflow.com/blog/lease-accounting-software (29 answers)
- https://trullion.com/blog/lease-accounting-software-solutions-for-asc-842-ifrs-16-2026-guide (23 answers)
- https://impakter.com/best-lease-accounting-software (21 answers)
- https://capterra.com/lease-accounting-software (18 answers)
- https://worldmetrics.org/best/enterprise-lease-accounting-software (14 answers)

## Warned against

- Microsoft Excel: 4 of 4 labels negative. "Spreadsheets or Basic Templates (e.g., Excel-based trackers): ... they break at scale due to version control issues, error-prone manual calculations" (Grok 4.1 Fast, negative prompt)
- FinQuery: 5 of 39 labels negative. "Why these beat per-user alternatives (Visual Lease, FinQuery, DebtBook)" (DeepSeek V4 Flash, budget prompt)
- Oracle: 4 of 5 labels negative. "SAP and Oracle weren't designed for IFRS 16" (DeepSeek V4 Flash, negative prompt)
- SAP: 4 of 4 labels negative. "Avoid spreadsheets and bolt-on ERP modules as your primary lease accounting solution" (DeepSeek V4 Flash, negative prompt)

## 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.