Softwr

Cybersecurity · head to head

authentik vs Earthly

authentik logo

authentik

Cybersecurity

Open-source identity provider with flexible authentication flows

From
Free
Free plan
Yes
Earthly logo

Earthly

Developer Tools

Engineering guardrails for the AI era

From
Free
Free plan
Yes

The short version

  • Each has a real cost: authentik smaller project than Keycloak, with a correspondingly smaller community and fewer integration guides; Earthly pricing model not published; requires sales contact
  • They diverge on capability: authentik covers Configurable flows, Earthly covers Policy as code.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which authentik and Earthly actually diverge.

Attributes where authentik and Earthly differ
AttributeauthentikEarthly
Pricing modelOpen-source core with a paid enterprise tierNo pricing published on website
PlatformsDocker, Kubernetes, Linux, Self-hostedWeb, CLI
CategoryCybersecurityDeveloper Tools
FoundedUnknown2020

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in authentik

  • Configurable flows
  • Protocol support
  • Application proxy
  • Modern admin interface

Only in Earthly

  • Policy as code
  • Multi-stage enforcement
  • AI agent governance
  • Repository-wide policies
  • Incident response automation
  • Compliance management
  • Earthfiles build tool
  • Satellites

What people use each for

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

authentik

  • Self-hosted SSO across internal services without commercial identity pricingnot Earthly
  • Putting authentication in front of applications that have none, via the proxynot Earthly
  • Teams who tried Keycloak and wanted something less heavynot Earthly

Earthly

  • Enforcing engineering standards across AI and human developersnot authentik
  • Automating incident response procedures across all repositoriesnot authentik
  • Embedding compliance requirements into development workflowsnot authentik
  • Standardizing build processes with Earthfilesnot authentik

Where each one falls short

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

authentik

  • Smaller project than Keycloak, with a correspondingly smaller community and fewer integration guides
  • The flow model is flexible but conceptually unfamiliar, and simple setups can feel over-abstracted
  • Enterprise support and some governance features sit behind the paid tier
  • Self-hosted identity is still yours to secure, patch and keep available

Earthly

  • Pricing model not published; requires sales contact
  • Earthly Lunar is a recent launch (2025) with limited track record
  • Primarily GitHub-focused; limited integration with other platforms
  • No public documentation on pricing or feature tiers

Pricing, plan by plan

authentik

Free
  • Open sourceFree
    • Full identity provider
    • All protocols
    • Community support

Earthly

Free

No published plan breakdown. See the Earthly review.

Which should you pick?

Choose authentik if

  • You need configurable flows.
  • You want to start without paying.
  • You work on Docker, Kubernetes, Linux, Self-hosted.
  • You also want protocol support.

Choose Earthly if

  • You need policy as code.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want multi-stage enforcement.

Questions people ask

Is authentik or Earthly better?
Neither clearly leads. authentik starts at Free and Earthly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, authentik or Earthly?
authentik starts at Free and Earthly at Free.
Does authentik or Earthly run on more platforms?
authentik runs on Docker, Kubernetes, Linux, Self-hosted. Earthly runs on Web, CLI.
Can I use authentik for free?
Both have a free tier, so you can try either at no cost before committing.
What is authentik best used for?
authentik is most often used for self-hosted sso across internal services without commercial identity pricing, putting authentication in front of applications that have none, via the proxy, teams who tried keycloak and wanted something less heavy. Of those, self-hosted sso across internal services without commercial identity pricing and putting authentication in front of applications that have none, via the proxy are not what Earthly is typically brought in for.
What can authentik do that Earthly cannot?
authentik covers Configurable flows, Protocol support, Application proxy, Modern admin interface. Earthly covers Policy as code, Multi-stage enforcement, AI agent governance, Repository-wide policies.

Answered from the vendors’ own pages

authentik: Is authentik free?

The open-source edition is free and complete for most use. An enterprise tier adds support and additional features.

Earthly: What is the difference between Earthfiles and Earthly Lunar?

Earthfiles is an open-source build tool that reached 12,000 GitHub stars and is used by companies like NVIDIA, Intel, and Databricks. Earthly Lunar is a separate governance platform launched in 2025 for enforcing standards across development workflows.

Source
authentik: authentik or Keycloak?

authentik is generally reported as easier to run and administer; Keycloak is more established with a larger community and Red Hat behind it.

Earthly: How does Earthly Lunar enforce standards?

Lunar converts engineering standards, compliance requirements, and processes documented in AGENTS.md files, wikis, and incident postmortems into enforceable guardrails that apply consistently across repositories and development stages.

Source
authentik: Can authentik protect apps with no login of their own?

Yes. Its application proxy places authentication in front of services that have no built-in authentication.

Earthly: What is the pricing for Earthly Lunar?

Pricing is not published on the website. Interested customers should contact Earthly's sales team for current pricing and feature tiers.

Source
Share

Related pages

Other head to heads