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Software Development · head to head

Devin vs Keycloak

Devin logo

Devin

Software Development

Autonomous AI software engineer planning and executing code in its own environment

From
On request
Rated
-
Full reviewWebsite
Keycloak logo

Keycloak

Developer Tools

Open-source identity and access management server.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Keycloak has a free tier, so it costs nothing to try first.
  • Each has a real cost: Devin pricing not published; specific costs and plan tiers require signup or contact with sales; Keycloak requires self-hosted deployment and operational expertise to install, configure and maintain

Where they differ

Only the attributes on which Devin and Keycloak actually diverge.

Attributes where Devin and Keycloak differ
AttributeDevinKeycloak
Starting priceOn requestFree
Pricing modelsubscriptionopen-source
Free tierNoYes
PlatformsDesktop, Windsurf integration, WebSelf-hosted, Docker, Kubernetes, Linux, Windows, API
CategorySoftware DevelopmentDeveloper Tools

Identical on both: user rating (Not yet rated).

What people use each for

The jobs each tool is most often brought in to do.

Devin

  • Feature implementation and ticket resolution in established codebasesnot Keycloak
  • Code migrations and refactoring at scale across repositoriesnot Keycloak
  • Bug fixing and debugging with test-driven verificationnot Keycloak
  • Rapid prototyping and proof-of-concept developmentnot Keycloak
  • Repetitive implementation tasks freeing human engineers for complex designnot Keycloak

Keycloak

  • Organisations requiring self-hosted identity infrastructure for compliance or data residencynot Devin
  • Companies with existing LDAP/Active Directory systems needing federated authenticationnot Devin
  • Open-source projects and communities requiring free IAM without licensing costsnot Devin
  • Enterprises building custom identity workflows requiring fine-grained authorisationnot Devin
  • Teams with sufficient operational expertise to manage infrastructurenot Devin

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Devin

  • Pricing not published; specific costs and plan tiers require signup or contact with sales
  • Cannot handle extremely difficult tasks reliably; success rate decreases with task complexity
  • Requires clear, well-scoped task descriptions; ambiguous requirements reduce effectiveness
  • Requires human oversight and integration into existing workflows; not fully autonomous

Keycloak

  • Requires self-hosted deployment and operational expertise to install, configure and maintain
  • No managed cloud option provided by Red Hat; organisations must operate infrastructure themselves or use third-party distributions
  • Clustering and high-availability configurations require additional operational knowledge
  • Community support only; commercial support requires third-party vendors or distributions

Pricing, plan by plan

Devin

On request

No published plan breakdown. See the Devin review.

Keycloak

Free
  • Open-sourceFree
    • Full platform functionality
    • Self-hosted deployment
    • Community support

Which should you pick?

Choose Devin if

  • You work on Desktop, Windsurf integration, Web.
Devin review

Choose Keycloak if

  • You want to start without paying.
  • You work on Self-hosted, Docker, Kubernetes, Linux, Windows, API.
Keycloak review

Questions people ask

Is Devin or Keycloak better?
Neither clearly leads. Devin starts at On request and Keycloak at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Devin or Keycloak?
Keycloak has a free tier; the other does not. Paid plans start at On request for Devin and Free for Keycloak.
Does Devin or Keycloak run on more platforms?
Devin runs on Desktop, Windsurf integration, Web. Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API.
Can I use Keycloak for free?
Yes. Keycloak has a free tier, so you can try it without paying. Devin starts at On request.
What is Devin best used for?
Devin is most often used for feature implementation and ticket resolution in established codebases, code migrations and refactoring at scale across repositories, bug fixing and debugging with test-driven verification, rapid prototyping and proof-of-concept development. Of those, feature implementation and ticket resolution in established codebases and code migrations and refactoring at scale across repositories are not what Keycloak is typically brought in for.

Answered from the vendors’ own pages

Devin: What does Devin cost?

Devin's pricing is not publicly listed on their website. Interested parties must request a demo to discuss pricing and availability.

Source
Keycloak: What protocols does Keycloak support?

Keycloak supports OpenID Connect, OAuth 2.0 and SAML 2.0 protocols for authentication and authorisation.

Source
Devin: How do I get access to Devin?

Devin is accessed by requesting a demo. There is no information about self-service signup, trial, or pricing on the public website.

Source
Keycloak: Can Keycloak integrate with existing user directories?

Yes. Keycloak supports user federation with LDAP and Active Directory systems, allowing organisations to leverage existing user directories.

Source
Keycloak: Is Keycloak free?

Yes. Keycloak is fully open-source and free to deploy and use. No licensing fees are required.

Source
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