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Clerk vs Lucia

Reviewed byRoman K
Tagline
Clerk: Authentication and user management
Lucia: Auth library for the web
Pricing Model
Clerk: freemium
Lucia: open-source
Starting Price
Clerk: $25/mo
Lucia: $0/mo
Free Plan
Clerk: Yes
Lucia: Yes
GitHub Stars
Clerk: 1.7k
Lucia: 10.5k
npm Downloads/wk
Clerk: 1.5M
Lucia: 148.3k
GitHub Forks
Clerk: 460
Lucia: 523
Open Issues
Clerk: 96
Lucia: 24
Tags
Clerk: auth, sso, mfa, react
Lucia: open-source, sessions, self-hosted, lightweight

Clerk vs Lucia: which to choose

Lucia has the larger community with 10.5k GitHub stars against 1.7k for Clerk, which usually means more integrations, examples and third-party help when you get stuck.

Both charge from day one, but Lucia starts lower at $0/mo versus $25/mo for Clerk.

Choose Clerk if you lean toward auth and sso; choose Lucia if open-source and sessions matters more for your stack. All figures above are pulled from live GitHub and pricing data, not vendor marketing.

Frequently asked questions

Is Clerk or Lucia better?

It depends on your priorities. Clerk has 1.7k GitHub stars and uses a freemium pricing model, while Lucia has 10.5k stars and uses a open-source model. Both offer a free plan so you can try each before committing.

Is Clerk cheaper than Lucia?

Clerk starts at $25/mo while Lucia starts at $0/mo. Clerk has a free plan. Lucia has a free plan.

What are the main differences between Clerk and Lucia?

Clerk is tagged as auth, sso, mfa while Lucia is tagged as open-source, sessions, self-hosted. Clerk uses a freemium pricing model and has a community of 1.7k GitHub stars. Lucia uses a open-source model with 10.5k GitHub stars.

Does Clerk or Lucia have a free plan?

Yes, both Clerk and Lucia offer a free plan.

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