# Procure-to-pay for enterprise buyers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "procure-to-pay platform" and as "purchasing software", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/finance/spend/procure-to-pay/2026-09/enterprise

This is the permanent record of the September 2026 Edition, published September 17, 2026 and superseded since. The current standing: https://www.gane.ai/index/finance/spend/procure-to-pay/enterprise/index.md

**Standing:** Coupa leads with 42% of first choices; verdict clear leader. 53 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Coupa](https://www.gane.ai/index/finance/vendors/coupa/index.md) | 42% | 15% | 55 |
| 2 | [SAP Ariba](https://www.gane.ai/index/finance/vendors/sap-ariba/index.md) | 36% | 16% | 61 |
| 3 | [Ivalua](https://www.gane.ai/index/finance/vendors/ivalua/index.md) | 9% | 2% | 41 |
| 5 | [GEP SMART](https://www.gane.ai/index/finance/vendors/gep-smart/index.md) | 2% | 3% | 32 |
| 6 | [Oracle Fusion Cloud Procurement](https://www.gane.ai/index/finance/vendors/oracle-fusion-cloud-procurement/index.md) | 2% | 10% | 31 |
| 7 | [Zip](https://www.gane.ai/index/finance/vendors/zip/index.md) | 2% | 8% | 13 |
| 10 | [Jaggaer](https://www.gane.ai/index/finance/vendors/jaggaer/index.md) | 0% | 7% | 30 |

Rank is by share of first choices among all 40 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

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

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Coupa; alternatives Ivalua, Oracle Fusion Cloud Procurement, SAP Ariba
- Gemini 3.5 Flash: Coupa, SAP Ariba; alternatives GEP SMART, Ivalua, Jaggaer, Zip
- Perplexity Sonar: Coupa; alternatives GEP SMART, Ivalua, Oracle Fusion Cloud Procurement, SAP Ariba
- Grok 4.20: Coupa, SAP Ariba; alternatives GEP SMART, Ivalua
- Mistral Small: SAP Ariba; alternatives Coupa, Jaggaer
- DeepSeek V4 Flash: Coupa; alternatives GEP SMART, Ivalua, Oracle Fusion Cloud Procurement, SAP Ariba
- Llama 4 Maverick: SAP Ariba; alternatives GEP SMART, Stampli
- Qwen 3.7 Flash: SAP Ariba; alternatives Coupa, GEP NEXXT, Ivalua, Oracle Fusion Cloud Procurement
- Kimi K2: Coupa; alternatives Ivalua, SAP Ariba
- GLM 4.7 FlashX: no first choice
- MiniMax M2.5: SAP Ariba; alternatives Basware, Coupa, GEP SMART, Jaggaer

## Sources the answers cite

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

- gartner.com: 27 answers, 44 citations
- procurementmag.com: 27 answers, 30 citations
- learn.g2.com: 24 answers, 24 citations
- mindsprint.com: 20 answers, 22 citations
- guideflow.com: 17 answers, 20 citations
- ivalua.com: 16 answers, 25 citations
- zycus.com: 16 answers, 20 citations
- precoro.com: 15 answers, 20 citations

Pages named in the most answers:

- https://learn.g2.com/best-procure-to-pay-software (21 answers)
- https://gartner.com/reviews/market/source-to-pay-suites (19 answers)
- https://mindsprint.com/resources/blogs/b2b-procurement-platform (15 answers)
- https://procurementmag.com/digital-procurement/top-10-procure-to-pay-p2p-platforms (14 answers)
- https://elementum.ai/blog/best-procurement-software-for-automating-purchasing-processes (13 answers)
- https://precoro.com/blog/procure-to-pay-solutions-and-systems (12 answers)
- https://doss.com/trends/best-procurement-platforms-for-2026-a-complete-buyers-guide-for-physical-product-companies (12 answers)
- https://guideflow.com/blog/procurement-software (12 answers)
- https://zendikt.com/top-10-procurement-software (12 answers)
- https://powerweave.com/blogs/sap-ariba-vs-coupa-a-cpos-guide-to-choosing-the-right-procurement-platform-in-2026 (11 answers)

## Warned against

- SAP Ariba: 10 of 61 labels negative. "When to Avoid: Unless you're deeply embedded in SAP (e.g., S/4HANA users), skip it." (Grok 4.20, negative prompt)
- Coupa: 8 of 55 labels negative. "Avoid Coupa's standard per-seat licensing: ... Coupa's standard per-user/per-module pricing can become cost-prohibitive" (Gemini 3.5 Flash, budget prompt)
- Oracle Fusion Cloud Procurement: 3 of 31 labels negative. "For large enterprises running different stacks, configuring Oracle Procurement to talk to your legacy systems can result in months of delayed deployment and steep professional services bills." (Qwen 3.7 Flash, negative prompt)
- Amazon Business: 2 of 2 labels negative. "making it risky for complex enterprise procurement needs" (Mistral Small, negative prompt)

## Record

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