Elysia vs Fastify
Updated Oct 18, 2026
Quick Verdict
Fastify has 1.9x more GitHub stars.
GitHub Stars
Elysia 19.3K
vs
Fastify 37.3K
Downloads/wk
Elysia 0
vs
Fastify 0
Contributors
Elysia 122
vs
Fastify 939
Bundle Size
Elysia 50.0 KB
vs
Fastify 147.0 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
Elysia
Fastify
GitHub Stars
19.3K
37.3K
Weekly Downloads
0
0
Forks
606
3.1K
Open Issues
400
175
Contributors
122
939
Bundle Size (gzip)
50.0 KB
147.0 KB
Dependencies
4
15
Latest Version
1.4.30
5.12.7
Last Commit
Oct 11, 2026
Oct 17, 2026
License
MIT
MIT
First Published
Dec 4, 2022
Oct 7, 2016
Feature Comparison
Framework capabilities at a glance
Feature
Elysia
Fastify
Typescript
Middleware
Websockets
Validation
Openapi
Edge Runtime
Decorators
Frequently Asked Questions
Common questions about Elysia vs Fastify
Is Elysia better than Fastify?
It depends on your use case. Elysia is ergonomic framework for humans built on bun, while Fastify is fast and low-overhead web framework for node.js. Compare the stats and features above to decide which fits your needs.
Is Elysia still maintained in 2026?
Yes, Elysia was last updated on October 11, 2026 and has 122 contributors.
Can I migrate from Elysia to Fastify?
Migration complexity depends on how deeply Elysia is integrated into your project. Both tools serve similar purposes in the Backend Frameworks space, so migration is generally feasible with proper planning.
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