OpenAI: GPT-5.1 GEO Ranking for Procure-to-Pay

“Massive ecosystem & network, deep integration with SAP ERP”

“SAP S/4HANA procurement) 2. SAP Ariba (and SAP S/4HANA Procurement) **Profile:** One of the largest global players; very strong network and deep integration with SAP ERP/S/4HANA.”

“Cloud-native Business Spend Management (BSM) suite”

“Oracle Fusion Cloud Procurement 4. Oracle Fusion Cloud Procurement **Profile:** Oracle’s cloud procurement suite, tightly integrated with Oracle Fusion Cloud ERP.”

“Best-of-breed Source-to-Pay suite with high configurability”

“Strong roots in education, public sector, and manufacturing”

“GEP SMART 7. GEP SMART **Profile:** Cloud-native platform from GEP, which is also a major procurement BPO/consulting provider.”

“Basware 8. Basware **Profile:** Historically strong in e‑invoicing and AP automation; solid P2P suite with particular strength in invoice automation and compliance.”

“Zycus --- ## 1. Zycus **Profile:** India‑headquartered S2P vendor with AI‑themed offerings; broad functional footprint and competitive pricing.”