DevTools VS

Elysia vs Fastify

Updated Apr 26, 2026

Quick Verdict

Fastify has 2.0x more GitHub stars, while Fastify has 14.6x more weekly downloads.

GitHub Stars
Elysia 18.1K
vs
Fastify 36.1K
Downloads/wk
Elysia 463.8K
vs
Fastify 6.8M
Contributors
Elysia 121
vs
Fastify 879
Bundle Size
Elysia N/A
vs
Fastify 132.9 KB

Elysia

Website

Ergonomic framework for humans built on Bun

buntypescriptfasttype-safe

Fastify

Website

Fast and low-overhead web framework for Node.js

nodejsfastschemaplugins

Detailed Comparison

Side-by-side metrics from GitHub and npm

Metric
Elysia
Fastify
GitHub Stars
18.1K
36.1K
Weekly Downloads
463.8K
6.8M
Forks
505
2.7K
Open Issues
295
127
Contributors
121
879
Bundle Size (gzip)
N/A
132.9 KB
Dependencies
4
15
Latest Version
1.4.28
5.8.5
Last Commit
Apr 25, 2026
Apr 24, 2026
License
MIT
MIT
First Published
Dec 4, 2022
Oct 7, 2016

Download Trends

Weekly npm downloads over the past 52 weeks

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 April 25, 2026 and has 121 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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