WorkOS vs Keycloak: Which is Better in 2026?
Choosing between WorkOS and Keycloak comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
WorkOS
Enterprise-ready authentication and directory sync
Best for you if:
- • WorkOS is an enterprise-ready authentication and identity platform
- • It provides SSO, directory sync, and admin portal for B2B SaaS
Keycloak
Open-source identity and access management
Best for you if:
- • You need something completely free
- • Keycloak is an open-source identity and access management solution
- • It provides SSO, social login, and user federation for applications and services
| At a Glance |  WorkOS | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Identity & Access | Identity & Access |
Rating | 4.5/5 | - |
Free plan | Yes | Yes |
Choose WorkOS or Keycloak?
Choose WorkOS if
Enterprise-ready authentication and directory sync
- Enterprise SSO made easy
- Directory sync
- Good documentation
Choose Keycloak if
Open-source identity and access management
- Open source identity
- Self-hostable
- Feature rich
- You want a fully free tool (WorkOS requires payment)
| Feature | WorkOS | Keycloak |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★4.5/5 15 reviews | No ratings yet |
| Categories | Identity & AccessSecurity | Identity & AccessSecurity |
In-Depth Analysis
WorkOS
Enterprise-ready authentication and directory sync
WorkOS offers a generous freemium model for AuthKit (first 1M users free) and Radar (first 1K checks free), making it very accessible for startups.
Watch out
AuthKit overage: $2,500/M users after 1M free
Strengths
- +Enterprise SSO made easy
- +Directory sync
- +Good documentation
- +Developer friendly
- +Active development
Weaknesses
- -Per-MAO pricing
- -Expensive at scale
- -Learning curve
- -Limited to auth features
- -Vendor lock-in
Key features
Keycloak
Open-source identity and access management
Keycloak's pricing is exceptionally generous, being entirely free as an open-source solution.
Strengths
- +Open source identity
- +Self-hostable
- +Feature rich
- +No per-user cost
- +Enterprise ready
Weaknesses
- -Complex to set up
- -Requires maintenance
- -Learning curve
- -Java-based
- -UI dated
Key features
Pricing: WorkOS vs Keycloak
| Plan | WorkOS | Keycloak |
|---|---|---|
| Tier 1 | N/A | Free Open Source |
Pricing verified from each vendor's public pricing page. Compare in detail on WorkOS pricing and Keycloak pricing.
Who Should Use What?
On a budget?
Keycloak is free. WorkOS is freemium.
Go with: Keycloak
Want the highest-rated option?
WorkOS is rated 4.5/5. Keycloak has no ratings yet.
Go with: WorkOS
Value user reviews?
WorkOS: 15 reviews (4.5/5). Keycloak: no ratings yet.
Go with: WorkOS
3 Questions to Help You Decide
What's your budget?
WorkOS is freemium. Keycloak is free. Go with Keycloak if free matters most.
What's your use case?
Both are identity & access tools. Compare their specific features to decide.
How important are ratings?
WorkOS is rated 4.5/5; Keycloak has no ratings yet.
Key Takeaways
Keycloak
- Completely free
- Our pick for this comparison
WorkOS
- Choose if you want enterprise-ready authentication and directory sync
The Bottom Line
Keycloak is our pick.
Frequently Asked Questions
Is WorkOS or Keycloak better?
Keycloak is rated in our evaluation. WorkOS is freemium and Keycloak is free.
What are WorkOS and Keycloak used for?
WorkOS: Enterprise-ready authentication and directory sync. Keycloak: Open-source identity and access management.
What does WorkOS cost vs Keycloak?
WorkOS is freemium (free tier + paid plans). Keycloak is completely free. Visit their websites for detailed pricing.