Odoo vs SAP S/4HANA
Odoo and SAP S/4HANA are both ERP software. Odoo is open source under a license set out in its repository, with 55k GitHub stars. SAP S/4HANA is a commercial product from SAP SE.
Which to pick
- Pick Odoo when
- A small or mid-size business wants one integrated ERP, and is ready to use Odoo's hosting or a partner for setup.
- Pick SAP S/4HANA when
- You are a large or global enterprise with complex multi-entity operations and the budget for a multi-year implementation with an SAP partner.
Side by side
A suite of business apps covering CRM, sales, inventory, accounting, manufacturing, POS, HR, website and ecommerce that share one database.
SAP's flagship ERP covering finance, procurement, manufacturing, supply chain, sales and asset management on the HANA in-memory database, sold as cloud public, cloud private or on-premise editions.
Open-core: accounting and many key apps are Enterprise-only, upgrades between major versions are costly, and the repo has no tagged releases.
Implementations are long and expensive, and the move from older SAP ECC is a project in its own right.
Production-ready (both)
Self-hosted server and cloud service
Cloud service and self-hosted server
Python, JavaScript and PostgreSQL
ABAP and SAP HANA
Open source, license unclear on GitHub
Closed source, sold by SAP SE
GitHub could not read the license. Check it in the repository before reusing any code.
Closed source: you use it under the maker's terms and cannot change or resell the code.
55k GitHub stars
1.4k Wikipedia readers a month on phones
Established: started 12 years ago, no tagged release yet.
Not known
Other comparisons
More ERP systems
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.