Deno vs Bun
Comparación detallada para ayudarte a elegir la herramienta correcta en 2026
🏆 Veredicto Rápido
¡Empate! Ambas son excelentes opciones.
Bun wins on raw speed and Node.js compatibility, making it ideal as a drop-in replacement. Deno wins on security, developer tooling, and web-standards alignment.
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📊 Visual Comparison
Comparación de Puntuación General
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Deno Destacados
- ✅ Secure by default with explicit permissions
- ✅ Native TypeScript support without configuration
- 💰 Free
Bun Destacados
- ✅ Blazingly fast — fastest JS runtime in benchmarks
- ✅ Drop-in Node.js replacement for most projects
- 💰 Free
Comparación de características
| Feature | Deno | Bun |
|---|---|---|
| TypeScript | Native (no config) | Native (via transpiler) |
| Security | Permission-based sandbox | Same as Node.js |
| Package Manager | URL imports + npm: | bun install (npm compatible) |
| Bundler | Built-in | Built-in (fast) |
| Test Runner | Built-in | Built-in (Jest compatible) |
| Linter | Built-in | ✗ |
| Formatter | Built-in | ✗ |
| Node Compatibility | Growing (node: specifier) | Excellent |
| Web APIs | fetch, WebSocket, etc. | fetch, WebSocket, etc. |
| Edge Deploy | Deno Deploy | Via adapters |
| Single Executable | ✓ | ✓ |
| JSR Registry | ✓ | Partial |
¿Qué es Deno?
Deno is a secure JavaScript and TypeScript runtime created by Ryan Dahl (Node.js creator). It features built-in TypeScript support, a secure-by-default permission system, and web-standard APIs.
✅Ventajas
- •Secure by default with explicit permissions
- •Native TypeScript support without configuration
- •Web-standard APIs (fetch, Web Streams, etc.)
- •Built-in formatter, linter, and test runner
- •Deno Deploy for edge deployment
- •Growing Node.js compatibility layer
❌Desventajas
- •Smaller ecosystem than Node.js
- •Some npm packages still have compatibility issues
- •Adoption slower than expected
- •Permission system can be verbose for scripts
- •Fewer production deployments and case studies
¿Qué es Bun?
Bun is an all-in-one JavaScript runtime, bundler, transpiler, and package manager built with Zig and JavaScriptCore. It focuses on speed and Node.js compatibility, aiming to be a drop-in Node replacement.
✅Ventajas
- •Blazingly fast — fastest JS runtime in benchmarks
- •Drop-in Node.js replacement for most projects
- •Built-in bundler, transpiler, and package manager
- •bun install is significantly faster than npm
- •Native SQLite support
- •Excellent npm and Node.js compatibility
❌Desventajas
- •Still maturing — some edge cases in compatibility
- •Less focus on security model than Deno
- •Linux and macOS only (Windows support improving)
- •Smaller team than Deno or Node
- •Some Node.js APIs still being implemented
Comparación de precios
📊Análisis en Profundidad: Deno vs Bun
Elegir entre Deno y Bun 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.
Deno
Deno is a secure JavaScript and TypeScript runtime created by Ryan Dahl (Node.js creator). It features built-in TypeScript support, a secure-by-default permission system, and web-standard APIs.
Bun
Bun is an all-in-one JavaScript runtime, bundler, transpiler, and package manager built with Zig and JavaScriptCore. It focuses on speed and Node.js compatibility, aiming to be a drop-in Node replacement.
🎯Mejores Casos de Uso
Cuándo elegir Deno
- ✓Para Equipos:
Secure by default with explicit permissions
- ✓Para Pequeñas Empresas:
Native TypeScript support without configuration
- ✓Para Empresas:
Web-standard APIs (fetch, Web Streams, etc.)
Cuándo elegir Bun
- ✓Para Individuos:
Blazingly fast — fastest JS runtime in benchmarks
- ✓Para Pequeñas Empresas:
Drop-in Node.js replacement for most projects
- ✓Para Equipos:
Built-in bundler, transpiler, and package manager
🔍Análisis Profundo de Características
TypeScript
Security
Package Manager
Bundler
Test Runner
Linter
💰Análisis de Precios
Deno
Free and open-source
✅ Free tier availableBun
Free and 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 Deno como Bun son excelentes herramientas que pueden mejorar significativamente tu productividad. La mejor elección depende de tus necesidades específicas.
Choose Deno if:
You want a secure-by-default runtime, prefer web-standard APIs, or value built-in developer tooling (linter, formatter, test runner).
Choose Bun if:
You want the fastest JavaScript runtime, need drop-in Node.js compatibility, or want the fastest package manager.
Preguntas frecuentes
Bun is easier to switch to since it's designed as a drop-in Node.js replacement. Deno requires more changes but offers security benefits. Both are worth evaluating, but Node.js remains a solid choice.
Veredicto final: ¿Cuál deberías elegir?
✨ Elige Deno si
You want a secure-by-default runtime, prefer web-standard APIs, or value built-in developer tooling (linter, formatter, test runner).
✨ Elige Bun si
You want the fastest JavaScript runtime, need drop-in Node.js compatibility, or want the fastest package manager.