Bun vs Node.js
Side-by-side comparison of Bun and Node.js. Pricing, features, best use cases, and honest verdict from a developer who has tested both.
Key Takeaways
- +Bun is better for: runtime, javascript, typescript
- +Node.js is better for: runtime, javascript, typescript
- ~Both are infrastructure tools. Your choice depends on workflow preference and team setup.
Bun
All-in-one JavaScript runtime, bundler, test runner, and package manager. Written in Zig, drop-in compatible with Node, dramatically faster install and start times.
Node.js
The original server-side JavaScript runtime. V8 under the hood, npm ecosystem, and the default backend runtime for most production deployments.
Feature Comparison
| Feature | Bun | Node.js |
|---|---|---|
| Category | Infrastructure | Infrastructure |
| Type | Developer Tool | Developer Tool |
| Pricing | See website for pricing | See website for pricing |
| Best For | AI-powered development | AI-powered development |
| Language / Platform | TypeScript | TypeScript |
| Open Source | No | No |
In Depth
Bun
Bun bundles a JavaScript runtime, package manager, bundler, and test runner into a single binary written in Zig. It is largely Node-compatible, so most apps drop in without changes, and it is much faster: bun install routinely runs 10x faster than npm, and the runtime starts cold faster than Node. Bun also has first-class TypeScript and JSX support out of the box. It is the runtime of choice for new TypeScript projects that want speed without giving up the npm ecosystem.
Node.js
Node.js is the runtime that made server-side JavaScript a thing. It is built on V8, ships with npm, and powers the majority of production JavaScript backends. Recent versions added a native test runner, a stable watch mode, and built-in TypeScript support via type stripping. Node remains the safest default: it is what your hosting provider runs, what your dependencies expect, and what your team probably already knows. The trade-off versus Bun and Deno is raw speed and out-of-the-box ergonomics.
The Verdict
Both Bun and Node.js are strong tools in the infrastructure space. The right choice depends on your workflow. Read the full review of each tool for a deeper dive, or watch the video walkthroughs to see them in action.
