DevTools VS

Elysia vs Koa

Updated Apr 26, 2026

Quick Verdict

Koa has 2.0x more GitHub stars, while Koa has 15.8x more weekly downloads.

GitHub Stars
Elysia 18.1K
vs
Koa 35.7K
Downloads/wk
Elysia 463.8K
vs
Koa 7.3M
Contributors
Elysia 121
vs
Koa 250
Bundle Size
Elysia N/A
vs
Koa 41.3 KB

Elysia

Website

Ergonomic framework for humans built on Bun

buntypescriptfasttype-safe

Expressive middleware for Node.js using async functions

nodejsmiddlewareasyncminimal

Detailed Comparison

Side-by-side metrics from GitHub and npm

Metric
Elysia
Koa
GitHub Stars
18.1K
35.7K
Weekly Downloads
463.8K
7.3M
Forks
505
3.2K
Open Issues
295
38
Contributors
121
250
Bundle Size (gzip)
N/A
41.3 KB
Dependencies
4
18
Latest Version
1.4.28
3.2.0
Last Commit
Apr 25, 2026
Apr 8, 2026
License
MIT
MIT
First Published
Dec 4, 2022
Nov 6, 2013

Download Trends

Weekly npm downloads over the past 52 weeks

Feature Comparison

Framework capabilities at a glance

Feature
Elysia
Koa
Typescript
Middleware
Websockets
Validation
Openapi
Edge Runtime
Decorators

Frequently Asked Questions

Common questions about Elysia vs Koa

Is Elysia better than Koa?

It depends on your use case. Elysia is ergonomic framework for humans built on bun, while Koa is expressive middleware for node.js using async functions. 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 Koa?

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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