Is authentik free for authentication?

Yes, Self-hosted (open source) costs nothing.

How much does authentik cost for authentication?

Free and open source to self-host; the optional Enterprise license is $5 per internal user and $0.02 per external user per month, billed annually. At list prices: : $0/month (Self-hosted (open source)); : $0/month (Self-hosted (open source)); : $0/month (Self-hosted (open source)).

authentik pricing

How authentik charges, what to know before you commit, and what you'd pay at your usage — next to what the alternatives would cost for the same thing.

How it charges

Checked 2026-10-03 on goauthentik.io ↗ · USD, list prices

In short

Free and open source to self-host; the optional Enterprise license is $5 per internal user and $0.02 per external user per month, billed annually.

Free plan: Yes
Side project: $0/mo Self-hosted (open source)
Growing: $0/mo Self-hosted (open source)
Scaling: $0/mo Self-hosted (open source)

What the model leaves out

No hosted version — you run it yourself; server costs are yours. The optional Enterprise license (enterprise features, support) is $5 per internal user and $0.02 per external user per month, billed annually; Enterprise Plus starts at $20k/year.

Before you commit

There is no hosted version, so you run and pay for the servers yourself.
The open-source edition has community support only; ticket support comes with Enterprise subscriptions over $1k.
Enterprise is billed annually, and Enterprise Plus starts at $20k a year.