Is Keycloak or Vanta better?

Neither clearly leads. Keycloak starts at Free and Vanta at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Keycloak or Vanta?

Keycloak has a free tier; the other does not. Paid plans start at Free for Keycloak and On request for Vanta.

Does Keycloak or Vanta run on more platforms?

Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Vanta runs on Web, API.

Can I use Keycloak for free?

Yes. Keycloak has a free tier, so you can try it without paying. Vanta starts at On request.

What is Keycloak best used for?

Keycloak is most often used for organisations requiring self-hosted identity infrastructure for compliance or data residency, companies with existing ldap/active directory systems needing federated authentication, open-source projects and communities requiring free iam without licensing costs, enterprises building custom identity workflows requiring fine-grained authorisation. Of those, organisations requiring self-hosted identity infrastructure for compliance or data residency and companies with existing ldap/active directory systems needing federated authentication are not what Vanta is typically brought in for.

Developer Tools · head to head

Keycloak vs Vanta

Keycloak

Developer Tools

Open-source identity and access management server.

From: Free
Free plan: Yes

Full review Website

Vanta

Cybersecurity

Compliance automation platform for SOC 2, ISO 27001 and similar frameworks.

From: On request
Free plan: No

Full review Website

The short version

Only Keycloak has a free tier, so it costs nothing to try first.
Each has a real cost: Keycloak requires self-hosted deployment and operational expertise to install, configure and maintain; Vanta no published pricing for any tier; all plans require requesting a demo and contacting sales
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Keycloak and Vanta actually diverge.

Attributes where Keycloak and Vanta differ
Attribute	Keycloak	Vanta
Starting price	Free	On request
Pricing model	open-source	subscription
Free tier	Yes	No
Platforms	Self-hosted, Docker, Kubernetes, Linux, Windows, API	Web, API
Category	Developer Tools	Cybersecurity

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

What people use each for

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

Keycloak

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

Vanta

SaaS and fintech companies needing rapid SOC 2 certification for enterprise salesnot Keycloak
Healthcare organisations automating HIPAA compliance managementnot Keycloak
European companies managing GDPR and privacy compliancenot Keycloak
Organisations implementing ISO 27001 and other security standardsnot Keycloak
Companies conducting vendor security assessments and managing third-party risknot Keycloak

Where each one falls short

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

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

Vanta

No published pricing for any tier; all plans require requesting a demo and contacting sales
Essentials tier limited to one compliance framework; organisations needing multiple frameworks must upgrade to higher tiers
Plus and Professional tiers feature unclear differentiation; specific pricing and included questionnaires not published
Enterprise pricing fully custom; no transparency on costs or what features are included
AI questionnaire automation capped at 25 annually in Plus tier, only 144 annually in Professional tier

Pricing, plan by plan

Keycloak

Free

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

Vanta

On request

Essentials$undefined/variable
- One compliance framework
- Vanta AI Agent features
- Automated evidence collection
Plus$undefined/variable
- All Essentials features
- Enhanced AI Agent capabilities
- AI-powered questionnaire automation (25 annually)
Professional$undefined/variable
- All Plus features
- 144 questionnaires annually (marked 'Most Popular')
- Risk management tools
Enterprise$undefined/variable
- Fully customisable package
- Flexible, scalable, advanced compliance
- Tailored to sophisticated GRC requirements

Which should you pick?

Choose Keycloak if

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

Keycloak review

Choose Vanta if

You work on Web, API.

Vanta review

Questions people ask

Is Keycloak or Vanta better?: Neither clearly leads. Keycloak starts at Free and Vanta at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keycloak or Vanta?: Keycloak has a free tier; the other does not. Paid plans start at Free for Keycloak and On request for Vanta.
Does Keycloak or Vanta run on more platforms?: Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Vanta runs on Web, API.
Can I use Keycloak for free?: Yes. Keycloak has a free tier, so you can try it without paying. Vanta starts at On request.
What is Keycloak best used for?: Keycloak is most often used for organisations requiring self-hosted identity infrastructure for compliance or data residency, companies with existing ldap/active directory systems needing federated authentication, open-source projects and communities requiring free iam without licensing costs, enterprises building custom identity workflows requiring fine-grained authorisation. Of those, organisations requiring self-hosted identity infrastructure for compliance or data residency and companies with existing ldap/active directory systems needing federated authentication are not what Vanta is typically brought in for.

Answered from the vendors’ own pages

Keycloak: What protocols does Keycloak support?

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

Source

Vanta: How many compliance frameworks does Vanta support?

Vanta supports 35+ compliance frameworks including SOC 2, ISO 27001, HIPAA, GDPR and custom frameworks.

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

Vanta: Does Vanta automate questionnaires?

Yes. Vanta's AI Agent can automate questionnaire completion, with the number of annually supported questionnaires varying by plan (25 in Plus tier, 144 in Professional tier).

Source

Keycloak: Is Keycloak free?

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

Source

Vanta: How many integrations does Vanta support?

Vanta integrates with 300+ pre-built system connections and supports over 90% automation of compliance tasks through these integrations.

Source

Keycloak vs Vanta

Keycloak

Vanta

The short version

Where they differ

What people use each for

Keycloak

Vanta

Where each one falls short

Keycloak

Vanta

Pricing, plan by plan

Keycloak

Vanta

Which should you pick?

Choose Keycloak if

Choose Vanta if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Keycloak

More on Vanta

Keep looking

Other head to heads