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Bun vs Node.js

Comparación detallada para ayudarte a elegir la herramienta correcta en 2026

📅 Última actualización: 4 de febrero de 2026⏱️ 12 min read📊 JavaScript Runtimes

🏆 Veredicto Rápido

¡Empate! Ambas son excelentes opciones.

Bun is the exciting newcomer with impressive speed and an all-in-one approach. Node.js remains the production standard with unmatched maturity, compatibility, and ecosystem support.

📊 Visual Comparison

Comparación de Puntuación General

72
Bun
vs
72
Node.js

Desglose por Categoría

Bun: 0%CaracterísticasNode.js: 0%
Bun: 90%PreciosNode.js: 90%
Bun: 70%Facilidad de UsoNode.js: 70%
Bun: 75%SoporteNode.js: 75%
Bun: 60%IntegraciónNode.js: 60%

Bun Destacados

  • Significantly faster than Node.js
  • All-in-one (runtime, bundler, test runner, pkg manager)
  • 💰 Free

Node.js Destacados

  • Most mature and battle-tested runtime
  • Massive ecosystem (2M+ npm packages)
  • 💰 Free

Comparación de características

FeatureBunNode.js
EngineJavaScriptCore (Safari)V8 (Chrome)
TypeScriptNative (no config needed)Via tsx, ts-node, or compilation
Package ManagerBuilt-in (bun install)npm (bundled separately)
BundlerBuilt-in (bun build)None (use webpack, esbuild, etc.)
Test RunnerBuilt-in (bun test)Built-in (node --test, since v18)
Hot Reloadbun --hot--watch flag (since v18)
Node.js Compatibility~95%100% (it IS Node.js)
SQLiteBuilt-in bun:sqliteNo built-in
Web APIsFetch, WebSocket, etc.Growing (fetch in v18+)
FFIBuilt-in bun:ffiVia node-ffi or N-API

¿Qué es Bun?

B

Bun

JavaScript Runtimes

bun.sh

Bun is an all-in-one JavaScript runtime, bundler, test runner, and package manager built from scratch using Zig and JavaScriptCore. It's designed to be a faster drop-in replacement for Node.js.

Ventajas

  • Significantly faster than Node.js
  • All-in-one (runtime, bundler, test runner, pkg manager)
  • Native TypeScript and JSX support
  • Fast package installation
  • Drop-in Node.js compatibility
  • Built-in SQLite support

Desventajas

  • Not yet 100% Node.js compatible
  • Smaller ecosystem and community
  • Less production battle-testing
  • Some npm packages may not work
  • Linux and macOS focused (Windows support newer)
  • Fewer deployment platform options

¿Qué es Node.js?

N

Node.js

JavaScript Runtimes

nodejs.org

Node.js is the original and most widely used JavaScript runtime built on Chrome's V8 engine. It revolutionized server-side JavaScript and powers millions of applications worldwide.

Ventajas

  • Most mature and battle-tested runtime
  • Massive ecosystem (2M+ npm packages)
  • Universal deployment support
  • Extensive documentation
  • Long-term support (LTS) releases
  • Largest community and hiring pool

Desventajas

  • Slower than Bun for many operations
  • No native TypeScript support
  • Requires separate tools (bundler, test runner)
  • CommonJS/ESM dual module system complexity
  • Callback-based legacy APIs
  • Package manager not included (npm ships separately)

Comparación de precios

Bun

Free

Open source

Plan gratuito disponibleView detailed pricing →

Node.js

Free

Open source

Plan gratuito disponibleView detailed pricing →

📊Análisis en Profundidad: Bun vs Node.js

Elegir entre Bun y Node.js puede ser desafiante, ya que ambas herramientas ofrecen características atractivas para flujos de trabajo modernos. En esta comparación completa, analizaremos cada aspecto para ayudarte a tomar una decisión informada.

Bun

Bun is an all-in-one JavaScript runtime, bundler, test runner, and package manager built from scratch using Zig and JavaScriptCore. It's designed to be a faster drop-in replacement for Node.js.

Node.js

Node.js is the original and most widely used JavaScript runtime built on Chrome's V8 engine. It revolutionized server-side JavaScript and powers millions of applications worldwide.

🎯Mejores Casos de Uso

Cuándo elegir Bun

  • Para Equipos:

    Significantly faster than Node.js

  • Para Pequeñas Empresas:

    All-in-one (runtime, bundler, test runner, pkg manager)

  • Para Empresas:

    Native TypeScript and JSX support

Cuándo elegir Node.js

  • Para Individuos:

    Most mature and battle-tested runtime

  • Para Pequeñas Empresas:

    Massive ecosystem (2M+ npm packages)

  • Para Equipos:

    Universal deployment support

🔍Análisis Profundo de Características

Engine

Bun:JavaScriptCore (Safari)
Node.js:V8 (Chrome)

TypeScript

Bun:Native (no config needed)
Node.js:Via tsx, ts-node, or compilation

Package Manager

Bun:Built-in (bun install)
Node.js:npm (bundled separately)

Bundler

Bun:Built-in (bun build)
Node.js:None (use webpack, esbuild, etc.)

Test Runner

Bun:Built-in (bun test)
Node.js:Built-in (node --test, since v18)

Hot Reload

Bun:bun --hot
Node.js:--watch flag (since v18)

💰Análisis de Precios

Bun

Free

Open source

✅ Free tier available

Node.js

Free

Open source

✅ Free tier available

💡 Pro Tip

Both tools offer free trials or tiers. We recommend testing both with your actual workflow before committing to a paid plan.

🏆Nuestra Recomendación

Después de un análisis y pruebas extensas, esta es nuestra opinión: Tanto Bun como Node.js son excelentes herramientas que pueden mejorar significativamente tu productividad. La mejor elección depende de tus necesidades específicas.

Choose Bun if:

You want maximum speed, native TypeScript, an all-in-one toolchain, or are starting a new project where compatibility isn't a concern.

Choose Node.js if:

You need maximum compatibility, proven production stability, the widest deployment support, or are working on enterprise applications.

Preguntas frecuentes

For many projects, yes. Bun aims for Node.js compatibility and handles most packages. However, some edge cases and native modules may not work. Test thoroughly before migrating production apps.

Veredicto final: ¿Cuál deberías elegir?

Elige Bun si

You want maximum speed, native TypeScript, an all-in-one toolchain, or are starting a new project where compatibility isn't a concern.

Elige Node.js si

You need maximum compatibility, proven production stability, the widest deployment support, or are working on enterprise applications.