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Lucia vs Next-auth

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Lucia

4.0 KB gzipped

Most Popular

Next-auth

3.2M weekly downloads

Best Maintained

Next-auth

100/100 maintenance score

Highest Quality

Lucia

50/100 quality score

Overall Pick

Next-auth

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

lucia icon

lucia

Popular

Version 3.2.2

0
63
Good

A simple and flexible authentication library

Weekly Downloads
128.1K
25%
Bundle (gzip)
4.0 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
40
Popularity
80
Quality
50
Security
100
Stability
70
next-auth icon

next-auth

Very Popular

Version 4.24.13

0
85
Excellent

Authentication for Next.js

Weekly Downloads
3.2M
24%
Bundle (gzip)
80.3 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Lucia and Next-auth? 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

Next-auth leads with 3.2M weekly downloads — roughly 25.2x more. Lucia has 128.1K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Lucia has the smallest gzipped bundle at 4.0 KB. Next-auth comes in at 80.3 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Next-auth has an overall health score of 85/100 (very good), with strong maintenance, security, popularity 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 Lucia if you value minimal bundle footprint, strong security track record. Choose Next-auth if you value large community support, actively maintained, strong security track record.

Our Verdict

Both Lucia and Next-auth are solid choices for JavaScript development. Next-auth has the edge in overall health score (85/100), 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 lucia better than next-auth?
It depends on your needs. Lucia has a health score of 63/100 while Next-auth scores 85/100. Next-auth has more weekly downloads (3.2M), 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, lucia or next-auth?
Lucia has the smaller gzipped bundle at 4.0 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use lucia vs next-auth?
Based on npm download statistics, Lucia has approximately 128.1K weekly downloads and Next-auth has approximately 3.2M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, lucia or next-auth?
Next-auth currently has the higher overall health score at 85/100. Lucia has a maintenance score of 40/100 and Next-auth scores 100/100 on maintenance.

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