Firebase Auth vs Lucia
Updated Aug 23, 2026
Quick Verdict
Lucia has 2.0x more GitHub stars.
GitHub Stars
Firebase Auth 5.1K
vs
Lucia 10.4K
Downloads/wk
Firebase Auth 9.7M
vs
Lucia 0
Contributors
Firebase Auth 234
vs
Lucia 229
Bundle Size
Firebase Auth N/A
vs
Lucia 4.1 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
Firebase Auth
Lucia
GitHub Stars
5.1K
10.4K
Weekly Downloads
9.7M
0
Forks
1.0K
519
Open Issues
731
24
Contributors
234
229
Bundle Size (gzip)
N/A
4.1 KB
Dependencies
28
2
Latest Version
12.18.0
3.2.2
Last Commit
Aug 21, 2026
Aug 8, 2026
License
NOASSERTION
MIT
First Published
Feb 21, 2012
Aug 24, 2020
Feature Comparison
Framework capabilities at a glance
Feature
Firebase Auth
Lucia
Oauth
Magic Links
Mfa
Session
Jwt
Social Login
Self Hosted
Frequently Asked Questions
Common questions about Firebase Auth vs Lucia
Is Firebase Auth better than Lucia?
It depends on your use case. Firebase Auth is google's authentication service for web and mobile apps, while Lucia is simple session-based authentication library for any runtime. Compare the stats and features above to decide which fits your needs.
Is Firebase Auth still maintained in 2026?
Yes, Firebase Auth was last updated on August 21, 2026 and has 234 contributors.
Can I migrate from Firebase Auth to Lucia?
Migration complexity depends on how deeply Firebase Auth is integrated into your project. Both tools serve similar purposes in the Authentication space, so migration is generally feasible with proper planning.
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