Bun vs Node.js

Frequently Asked Questions

What is the difference between Bun and Node.js?

Bun brings a refreshing all-in-one approach with remarkable speed gains. Node.js remains the safe choice with unmatched ecosystem maturity. For new projects that value speed and simplicity, Bun is the exciting frontier.

Which is better, Bun or Node.js?

Bun is the recommended choice. Bun brings a refreshing all-in-one approach with remarkable speed gains. Node.js remains the safe choice with unmatched ecosystem maturity. For new projects that value speed and simplicity, Bun is the exciting frontier.

What are the pros of Bun?

Dramatically faster startup and execution times. Built-in bundler, transpiler, and test runner. Native TypeScript support without config. Drop-in Node.js compatibility for most packages. SQLite built in.

What are the pros of Node.js?

Battle-tested in production for over a decade. Largest package ecosystem via npm. Universal hosting support. Massive community and documentation.

What are the cons of Bun?

Still maturing with occasional compatibility gaps. Smaller community and fewer production case studies. Some Node.js APIs not yet implemented.

What are the cons of Node.js?

Slower startup compared to modern runtimes. Requires separate tools for TypeScript, bundling, testing. Callback-era APIs still linger. Security vulnerabilities in dependency chains.

Why choose Bun over the alternative?

Bun is the recommended choice based on head-to-head comparison. Bun brings a refreshing all-in-one approach with remarkable speed gains. Node.js remains the safe choice with unmatched ecosystem maturity. For new projects that value speed and simplicity, Bun is the exciting frontier.