Is Authelia or Semgrep better?

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

Which is cheaper, Authelia or Semgrep?

Authelia starts at Free and Semgrep at Free.

Does Authelia or Semgrep run on more platforms?

Authelia runs on Docker, Kubernetes, Linux, Self-hosted. Semgrep runs on web, api, linux, mac, windows.

Can I use Authelia for free?

Both have a free tier, so you can try either at no cost before committing.

What is Authelia best used for?

Authelia is most often used for putting a login and 2fa in front of self-hosted services that have none, adding sso across a small set of internal tools without a full identity platform, home and small-team infrastructure behind a single reverse proxy. Of those, putting a login and 2fa in front of self-hosted services that have none and adding sso across a small set of internal tools without a full identity platform are not what Semgrep is typically brought in for.

What can Authelia do that Semgrep cannot?

Authelia covers Reverse proxy integration, Two-factor authentication, Access control rules, Lightweight backends. Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis.

Cybersecurity · head to head

Authelia vs Semgrep

Authelia

Cybersecurity

Open-source authentication and two-factor portal for reverse proxies

From: Free
Rated: -

Full review Website

Semgrep

Cybersecurity

Open-source static analysis tool for finding security bugs and enforcing code standards.

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: Authelia depends on a reverse proxy: it is not a standalone identity provider; Semgrep free tier caps out at 10 contributors and 10 repositories.
They diverge on capability: Authelia covers Reverse proxy integration, Semgrep covers Static code scanning.
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Authelia and Semgrep actually diverge.

Attributes where Authelia and Semgrep differ
Attribute	Authelia	Semgrep
Pricing model	Open source, no licence fee	freemium
Platforms	Docker, Kubernetes, Linux, Self-hosted	web, api, linux, mac, windows

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

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 Authelia

Reverse proxy integration
Two-factor authentication
Access control rules
Lightweight backends

Only in Semgrep

Static code scanning
Supply chain scanning
Secrets detection
Cross-file analysis
AI-powered triage and remediation
CI/CD integration

What people use each for

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

Authelia

Putting a login and 2FA in front of self-hosted services that have nonenot Semgrep
Adding SSO across a small set of internal tools without a full identity platformnot Semgrep
Home and small-team infrastructure behind a single reverse proxynot Semgrep

Semgrep

Scanning code for security vulnerabilities in CI/CDnot Authelia
Detecting vulnerable open-source dependenciesnot Authelia
Finding hardcoded secrets before code shipsnot Authelia
Enforcing custom code standards with rule setsnot Authelia
Prioritizing findings with AI-assisted triagenot Authelia

Where each one falls short

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

Authelia

Depends on a reverse proxy: it is not a standalone identity provider
Configuration is YAML-first with no administrative interface, so changes mean editing files
Not a full IAM: user management, provisioning and federation are limited compared with Keycloak
Scales poorly as an organisation-wide identity solution, which is not its target

Semgrep

Free tier caps out at 10 contributors and 10 repositories.
Secrets scanning is priced as a separate module ($15/contributor) from Code and Supply Chain.
Self-managed repositories and custom CI/CD require the Enterprise tier.
AI credits are limited per tier and additional usage requires upgrading.

Pricing, plan by plan

Authelia

Free

AutheliaFree
- Full functionality
- No usage limits
- Community support

Semgrep

Free

FreeFree
- Up to 10 contributors
- Code and Supply Chain scanning
- 60 AI credits total
Teams$30/month
- Code, Supply Chain, or Secrets scanning per contributor
- Pro rules
- AI-powered triage and remediation
Enterprise$undefined/month
- On-prem support
- Custom CI/CD
- 50 AI credits per developer/month

Which should you pick?

Choose Authelia if

You need reverse proxy integration.
You want to start without paying.
You work on Docker, Kubernetes, Linux, Self-hosted.
You also want two-factor authentication.

Authelia review

Choose Semgrep if

You need static code scanning.
You want to start without paying.
You work on web, api, linux, mac, windows.
You also want supply chain scanning.

Semgrep review

Questions people ask

Is Authelia or Semgrep better?: Neither clearly leads. Authelia starts at Free and Semgrep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Authelia or Semgrep?: Authelia starts at Free and Semgrep at Free.
Does Authelia or Semgrep run on more platforms?: Authelia runs on Docker, Kubernetes, Linux, Self-hosted. Semgrep runs on web, api, linux, mac, windows.
Can I use Authelia for free?: Both have a free tier, so you can try either at no cost before committing.
What is Authelia best used for?: Authelia is most often used for putting a login and 2fa in front of self-hosted services that have none, adding sso across a small set of internal tools without a full identity platform, home and small-team infrastructure behind a single reverse proxy. Of those, putting a login and 2fa in front of self-hosted services that have none and adding sso across a small set of internal tools without a full identity platform are not what Semgrep is typically brought in for.
What can Authelia do that Semgrep cannot?: Authelia covers Reverse proxy integration, Two-factor authentication, Access control rules, Lightweight backends. Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis.

Answered from the vendors’ own pages

Authelia: Is Authelia free?

Yes, open source with no licence fee.

Semgrep: What does Semgrep cost?

The Free edition covers up to 10 contributors; Teams starts at $30/contributor/month for Code scanning (Supply Chain also $30, Secrets $15); Enterprise is custom-priced.

Source

Authelia: Does Authelia need a reverse proxy?

Yes. It integrates through forward authentication with Nginx, Traefik, Caddy or HAProxy rather than sitting in front of traffic itself.

Semgrep: Is there a free plan, and what are its limits?

Yes, the Free edition supports up to 10 contributors and 10 repositories with Code and Supply Chain scanning plus 60 AI credits total.

Source

Authelia: Authelia or Keycloak?

Authelia is far lighter and aimed at protecting self-hosted services behind a proxy. Keycloak is a full identity and access management platform, and much more to run.

Semgrep: How is usage metered?

Pricing is per contributor, defined as someone who made at least one commit to a scanned private repository in the past 90 days.

Source

Semgrep: Is there special pricing for startups?

Yes, Semgrep offers special startup pricing upon request for early-stage companies.

Source

Authelia vs Semgrep

Authelia

Semgrep

The short version

Where they differ

What each one covers

Only in Authelia

Only in Semgrep

What people use each for

Authelia

Semgrep

Where each one falls short

Authelia

Semgrep

Pricing, plan by plan

Authelia

Semgrep

Which should you pick?

Choose Authelia if

Choose Semgrep if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Authelia

More on Semgrep

Keep looking

Other head to heads