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Clerk vs Lucia

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Clerk

6.0 KB gzipped

Most Popular

Lucia

128.1K weekly downloads

Best Maintained

Clerk

100/100 maintenance score

Highest Quality

Clerk

50/100 quality score

Overall Pick

Lucia

Best all-around based on popularity, size, maintenance & quality

clerk icon

clerk

Niche

Version 0.8.3

0
73
Good

CouchDB library for Node and the browser

Weekly Downloads
1.1K
40%
Bundle (gzip)
6.0 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
40
Quality
50
Security
100
Stability
70
lucia icon

lucia

Popular

Version 3.2.2

0
63
Good

A simple and flexible authentication library

Weekly Downloads
128.1K
Stable
Bundle (gzip)
13.5 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
40
Popularity
80
Quality
50
Security
100
Stability
70

Choosing between Clerk and Lucia? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.

Downloads & Popularity

Lucia leads with 128.1K weekly downloads — roughly 114.9x more. Clerk has 1.1K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Clerk has the smallest gzipped bundle at 6.0 KB. Lucia comes in at 13.5 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Clerk has an overall health score of 73/100 (good), with strong maintenance, security scores. Lucia has an overall health score of 63/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Clerk if you value actively maintained, strong security track record. Choose Lucia if you value strong security track record.

Our Verdict

Both Clerk and Lucia are solid choices for JavaScript development. Clerk has the edge in overall health score (73/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.

Frequently Asked Questions

Is clerk better than lucia?
It depends on your needs. Clerk has a health score of 73/100 while Lucia scores 63/100. Lucia has more weekly downloads (128.1K), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, clerk or lucia?
Clerk has the smaller gzipped bundle at 6.0 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use clerk vs lucia?
Based on npm download statistics, Clerk has approximately 1.1K weekly downloads and Lucia has approximately 128.1K weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, clerk or lucia?
Clerk currently has the higher overall health score at 73/100. Clerk has a maintenance score of 100/100 and Lucia scores 40/100 on maintenance.

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