Elysia vs Koa
Updated Jun 28, 2026
Quick Verdict
Koa has 1.9x more GitHub stars.
GitHub Stars
Elysia 18.6K
vs
Koa 35.7K
Downloads/wk
Elysia 0
vs
Koa 0
Contributors
Elysia 120
vs
Koa 252
Bundle Size
Elysia N/A
vs
Koa 63.3 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
Elysia
Koa
GitHub Stars
18.6K
35.7K
Weekly Downloads
0
0
Forks
548
3.2K
Open Issues
344
37
Contributors
120
252
Bundle Size (gzip)
N/A
63.3 KB
Dependencies
4
18
Latest Version
1.4.29
3.2.1
Last Commit
Jun 26, 2026
Jun 24, 2026
License
MIT
MIT
First Published
Dec 4, 2022
Nov 6, 2013
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 June 26, 2026 and has 120 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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