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Scalekit vs Keycloak: Which is Better in 2026?

Choosing between Scalekit 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.

Bottom line: Keycloak is our overall pick for identity & access workflows. Pick Scalekit if you need security.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jul 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Scalekit

The Auth Stack for AI applications, securing every interface from SaaS apps to AI agents and organizations.

Best for you if:

  • • You need security features specifically
  • • Provides a specialized authentication and authorization stack for AI applications.
  • • Offers modular auth components (MCP, Agent, SSO, SCIM) or a full-stack identity platform.

Keycloak

Open-source identity and access management

Best for you if:

  • • You need identity & access features specifically
  • • 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
ScalekitScalekit
KeycloakKeycloak
Starts at
FreeFree tier available
FreeFree tier available
Best For
SecurityIdentity & Access
Rating
-4.3/5
Free plan
 Yes Yes

Choose Scalekit or Keycloak?

Scalekit

Choose Scalekit if

The Auth Stack for AI applications, securing every interface from SaaS apps to AI agents and organizations.

  • Specifically designed to address authentication challenges in AI applications.
  • Offers both modular components and a full-stack identity solution, providing flexibility.
  • Simplifies complex enterprise features like SSO and SCIM with self-serve options and minimal engineering overhead.
  • Your work is security-shaped, not identity & access-shaped
Keycloak

Choose Keycloak if

Open-source identity and access management

  • Open source identity
  • Self-hostable
  • Feature rich
  • Your work is identity & access-shaped, not security-shaped
Scalekit logo

Scalekit

The Auth Stack for AI applications, securing every interface from SaaS apps to AI agents and organizations.

Visit Website
TOP RATED
Keycloak logo

Keycloak

Open-source identity and access management

Visit Website
FeatureScalekitKeycloak
Pricing ModelFreeFree
User RatingNo ratings yet
★4.3/5
101 reviews
Categories
SecurityIdentity & Access
Identity & AccessSecurity

In-Depth Analysis

ScalekitScalekit

The Auth Stack for AI applications, securing every interface from SaaS apps to AI agents and organizations.

Strengths

  • +Specifically designed to address authentication challenges in AI applications.
  • +Offers both modular components and a full-stack identity solution, providing flexibility.
  • +Simplifies complex enterprise features like SSO and SCIM with self-serve options and minimal engineering overhead.
  • +Provides robust security features, compliance certifications, and data residency options.
  • +Includes developer-friendly tools, SDKs, and extensive documentation for quick integration.

Weaknesses

  • -Pricing for modular components can become complex with increasing connections/accounts.
  • -Focus on AI apps might make it less ideal for non-AI specific authentication needs.
  • -Newer product, so community support might be less extensive compared to established solutions.

Key features

MCP Auth for LLM clients (ChatGPT, Claude) with OAuth, DCR, PKCE, and CIMD supportDelegated Agent Auth for AI agents to securely access external tools with OAuth consent and token vaultEnterprise SSO (SAML/OIDC) with self-serve setup, 20+ IdP support, and automatic certificate rotationSCIM user provisioning for automated user, group, and role synchronization from enterprise directoriesOrganization & User Management with multi-tenancy and org-first data modelPasswordless Auth Methods (magic links, passkeys, OTP) with ready-to-use UI components
Starts at Free

KeycloakKeycloak

Open-source identity and access management

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

Identity managementSSOLDAPSocial loginAdmin consoleOpen source
Starts at Free

Pricing: Scalekit vs Keycloak

PlanScalekitKeycloak
Tier 1
Free
Free
Free
Open Source

Pricing verified from each vendor's public pricing page. Compare in detail on Scalekit pricing and Keycloak pricing.

Who Should Use What?

On a budget?

Both are free. Compare plans on their websites.

Go with: Scalekit

Want the highest-rated option?

Keycloak is rated 4.3/5. Scalekit has no ratings yet.

Go with: Keycloak

Value user reviews?

Scalekit: no ratings yet. Keycloak: 101 reviews (4.3/5).

Go with: Keycloak

3 Questions to Help You Decide

1

What's your budget?

Both are free. Pricing won't help you decide here.

2

What's your use case?

Scalekit is a security tool. Keycloak is in identity & access. Pick the category that matches your needs.

3

How important are ratings?

Keycloak is rated 4.3/5; Scalekit has no ratings yet.

Key Takeaways

Keycloak

  • Completely free
  • Our pick for this comparison

Scalekit

  • Better fit for security

The Bottom Line

Keycloak is our pick.

Frequently Asked Questions

Is Scalekit or Keycloak better?

Keycloak is rated in our evaluation. Both are free.

What are Scalekit and Keycloak used for?

Scalekit: The Auth Stack for AI applications, securing every interface from SaaS apps to AI agents and organizations.. Keycloak: Open-source identity and access management.

What does Scalekit cost vs Keycloak?

Scalekit is completely free. Keycloak is completely free. Visit their websites for detailed pricing.

Related Comparisons & Resources

Scalekit AlternativesKeycloak AlternativesScalekit Full ReviewKeycloak Full Review
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