Authentik
Last verified 2026-03-13 · Reviewed by guptadeepak
Editorial verdict
Authentik is the modern alternative to Keycloak for self-hosted enterprise CIAM in 2026, Python-based, MIT-licensed, with a materially nicer admin UI than Keycloak's dated console. The trade-off is mid-weight operational profile and no managed cloud offering. For teams with Python operational competence and a strict-OSS mandate, Authentik is the lower-friction alternative to Keycloak.
Last verified by @guptadeepak on 2026-03-13.
At a glance
- Best for
- Self-hosted enterprise and homelab deployments wanting a modern, polished admin UX
- Pricing
- free-open-source
- Free tier
- Unlimited
- Deployment
- self-hosted, on-prem, hybrid
- SOC 2 Type II
- No
- Passkeys
- Native
- Self-host
- Yes
- Open source
- Yes
Funding & business
- Funding model
- Venture-backed
- Total raised
- $2M
- Latest round
- Seed · $2M · 2022
- Years in business
- 8 yrs
- Round led by
- Open Core Ventures
- Profitable
- Not disclosed
Investors
Commercial entity (Authentik Security) launched by Open Core Ventures as its first public-benefit company; project relicensed to MIT.
Funding data from primary source. See also the CIAM investor landscape.
Strengths
- Modern Python-based OSS CIAM with a polished admin UI, closer to a SaaS console experience than Keycloak's admin tooling.
- Configurable Flow Stages, auth flows compose from declarative stages, similar to Authentication Trees but configured rather than scripted.
- Strict MIT licensing on the Community edition; no commercial-use clauses.
- Active community and rapid release cadence; popular in homelab and self-hosted enterprise contexts.
Limitations
- Operational profile, Python service plus PostgreSQL plus Redis, is mid-weight; lighter than Keycloak, heavier than FusionAuth or Zitadel.
- No managed cloud offering as of 2026; teams must operate it themselves.
- Compliance attestations are operator-earned; the project itself does not ship SOC 2 / ISO 27001 / HIPAA.
- No native FGA; no MCP support; SDK breadth is narrower than incumbents.
Capability matrix
Every vendor scored on the same axes. See the methodology for criteria.
| Password authentication | Yes |
|---|---|
| Social login | Yes |
| Magic links | Yes |
| SMS OTP | No |
| Email OTP | Yes |
| TOTP (authenticator app) | Yes |
| Push MFA | Yes |
| WebAuthn / passkeys | Yes |
| Biometric | Yes |
| Hardware security keys | Yes |
| SAML SSO | Yes |
| OIDC SSO | Yes |
| OAuth 2.0 SSO | Yes |
| Enterprise federation | Yes |
| Passwordless-only flows | Yes |
| Adaptive MFA | Partial |
| Step-up auth | Yes |
| RBAC | Yes |
|---|---|
| ABAC | Yes |
| ReBAC | No |
| FGA engine | No |
| API authorization | Yes |
| Fine-grained permissions | Yes |
| Self-service registration | Yes |
|---|---|
| Progressive profiling | Partial |
| Self-service account | Yes |
| Bulk user import | Yes |
| Admin user search | Yes |
| Custom user metadata | Yes |
| Organizations / tenants | Yes |
| Multi-tenancy | Yes |
| REST API | Yes |
|---|---|
| GraphQL API | No |
| SDKs | python, go, js, node |
| CLI | Yes |
| Terraform provider | Yes |
| Local emulator | Yes |
| Extension model | Flow stages (configurable) + Python policy expressions |
| Bot detection | No |
|---|---|
| Breached password detection | Yes |
| Brute-force protection | Yes |
| Anomaly detection | Partial |
| Log streams | Yes |
| Audit logs | Yes |
| GDPR data export | Yes |
| PII minimization | Partial |
| Post-quantum roadmap | No |
| MCP support | No |
|---|---|
| OAuth 2.1 | Yes |
| Dynamic client registration | Yes |
| Agent vs human token separation | No |
| Web Bot Auth | No |
| SOC 2 Type II | No |
|---|---|
| ISO 27001 | No |
| ISO 27018 | No |
| HIPAA | No |
| PCI DSS | No |
| GDPR | Yes |
| CCPA | Yes |
| FedRAMP | No |
| EU data residency | Yes |
| Consent management | Partial |
|---|---|
| Preference center | Partial |
| Purpose-specific consent | No |
| Integrates with CMPs | n/a |
Pricing
| 10,000 MAU | $200/mo |
|---|---|
| 100,000 MAU | $600/mo |
| 500,000 MAU | $1,800/mo |
| 1,000,000 MAU | $3,500/mo |
- Self-hosted Community is MIT-licensed, free at any scale
- Authentik Enterprise (paid) adds priority support, RAC (Remote Access Connector), and enterprise features
- Operational cost: Python service plus PostgreSQL plus Redis
Estimates use the standard assumptions in our methodology. Always confirm with the vendor.
Best for
- Self-hosted enterprise and homelab deployments wanting a modern, polished admin UX
- Teams with Python operational competence wanting MIT-licensed OSS
- Mid-market apps where data sovereignty matters more than managed-cloud convenience
Not for
- Teams without operational capacity for stateful Python services
- Workloads requiring vendor-attested SOC 2 / HIPAA / FedRAMP / PCI DSS
- Apps prioritizing managed-cloud convenience over self-host control
FAQ
- How does Authentik differ from Keycloak?
- Both are self-hosted OSS CIAM. Keycloak is Java/JBoss-based with the largest ecosystem; Authentik is Python-based with a more modern admin UI and MIT licensing. Operational profile is similar, both are stateful services with database dependencies. For homelab and modern self-host enterprise, Authentik often wins on UX; for largest community, Keycloak wins.
- Is there a managed Authentik cloud?
- No managed cloud as of 2026. Authentik Enterprise (paid edition) adds priority support and enterprise features but you still run the service yourself. Teams that want managed should look at Zitadel Cloud, Auth0, or Ory Network.
- What is RAC (Remote Access Connector)?
- An Authentik Enterprise feature for proxying remote access (RDP, SSH, VNC) through Authentik for centralized auth and audit. Useful for enterprise IT teams managing remote access without separate VPN/PAM tools, but not a CIAM-core feature for most B2C / B2B SaaS.
Sources
- Authentik Documentationaccessed 2026-04-22
- Authentik GitHubaccessed 2026-04-22
- Authentik Pricingaccessed 2026-04-22
What Authentik is
Authentik launched in 2018 as a modern alternative to Keycloak, Python-based instead of Java, with a polished admin UI and MIT licensing. The product is a self-hosted CIAM that runs as a Python service backed by PostgreSQL and Redis, with configurable Flow Stages composing the auth journey declaratively. Authentik Enterprise is the paid edition with support and additional features (notably the Remote Access Connector for enterprise remote access).
Where Authentik wins
A genuinely modern admin UX in the OSS CIAM tier. Strict MIT licensing without commercial-use clauses. Configurable Flow Stages that compose auth journeys without writing Java like Keycloak's SPI requires. Active community, rapid releases, popular in homelab and modern self-hosted enterprise contexts.
Where Authentik hurts
No managed cloud, the team operates it themselves. Compliance attestations are operator-earned, not platform-provided. Operational profile is mid-weight. No native FGA, no MCP, narrower SDK breadth than incumbents.
How Authentik compares
The closest comparisons are Keycloak vs Authentik, FusionAuth vs Authentik, and Authentik vs Zitadel. For managed OSS, Ory Network and Zitadel Cloud are the alternatives.
Editorial changelog (1 entry)
Capability matrix and pricing bands re-verified against the vendor's latest documentation and changelog.