Is authentik or Deno better?

Neither clearly leads. authentik starts at Free and Deno at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, authentik or Deno?

authentik starts at Free and Deno at Free.

Does authentik or Deno run on more platforms?

authentik runs on Docker, Kubernetes, Linux, Self-hosted. Deno runs on Web.

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 Deno is typically brought in for.

What can authentik do that Deno cannot?

authentik covers Configurable flows, Protocol support, Application proxy, Modern admin interface.

Cybersecurity · head to head

authentik vs Deno

authentik

Cybersecurity

Open-source identity provider with flexible authentication flows

From: Free
Free plan: Yes

Full review Website

Deno

Developer Tools

A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in

From: Free
Free plan: Yes

Full review Website

The short version

Each has a real cost: authentik smaller project than Keycloak, with a correspondingly smaller community and fewer integration guides; Deno egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which authentik and Deno actually diverge.

Attributes where authentik and Deno differ
Attribute	authentik	Deno
Pricing model	Open-source core with a paid enterprise tier	freemium
Platforms	Docker, Kubernetes, Linux, Self-hosted	Web
Category	Cybersecurity	Developer Tools

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 Deno

Nothing recorded that authentik does not also cover.

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 Deno
Putting authentication in front of applications that have none, via the proxynot Deno
Teams who tried Keycloak and wanted something less heavynot Deno

Deno

Running TypeScript natively without transpilation overheadnot authentik
Migrating Node.js applications to secure-by-default runtimenot authentik
Deploying edge functions and serverless containers seamlesslynot authentik
Consolidating developer tools into single binarynot 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

Deno

Egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
CPU time overage is $0.10/hour on Pro and Builder tiers, adding to costs for compute-intensive workloads
Enterprise pricing is not disclosed; requires sales contact

Pricing, plan by plan

authentik

Free

Open sourceFree
- Full identity provider
- All protocols
- Community support

Deno

Free

FreeFree
- 1 million requests/month
- 20GB egress bandwidth
- 10 apps
Pro$20/month
- 5 million requests/month
- 200GB egress
- 50 apps
Builder$200/month
- 25 million requests/month
- 2,000GB egress
- 10,000 apps
Enterprise$null/month
- Custom limits on all metrics
- 99.95% reliability SLA
- Email support with SLA

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.

authentik review

Choose Deno if

You want to start without paying.

Deno review

Questions people ask

Is authentik or Deno better?: Neither clearly leads. authentik starts at Free and Deno at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, authentik or Deno?: authentik starts at Free and Deno at Free.
Does authentik or Deno run on more platforms?: authentik runs on Docker, Kubernetes, Linux, Self-hosted. Deno runs on Web.
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 Deno is typically brought in for.
What can authentik do that Deno cannot?: authentik covers Configurable flows, Protocol support, Application proxy, Modern admin interface.

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.

Deno: How much does Deno Deploy cost?

Deno Deploy offers a free tier at $0/month, Pro at $20/month, and Builder at $200/month. Enterprise has custom pricing. All plans include base request and bandwidth limits, with overage charges for additional usage.

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.

Deno: What are Deno Deploy's overage charges?

Egress bandwidth overages cost $0.20 per GB. CPU time overages are $0.10 per hour on Pro and Builder tiers. Memory time and KV database operations also incur charges beyond included limits.

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.

Deno: How many apps can I deploy on Deno's free plan?

The free tier includes 10 apps with up to 1 concurrent build. Pro tier supports 50 apps with 3 concurrent builds, and Builder supports 10,000 apps with 20 concurrent builds.

Source

Deno: How many team members can access Deno Deploy?

The free tier supports up to 3 team members. Pro supports 10 team members. Builder supports 25 team members. Enterprise has custom seat limits.

Source

authentik vs Deno

authentik

Deno

The short version

Where they differ

What each one covers

Only in authentik

Only in Deno

What people use each for

authentik

Deno

Where each one falls short

authentik

Deno

Pricing, plan by plan

authentik

Deno

Which should you pick?

Choose authentik if

Choose Deno if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on authentik

More on Deno

Keep looking

Other head to heads