Deno vs Bun
2026년 올바른 도구 선택을 위한 상세 비교
🏆 빠른 결론
무승부! 둘 다 훌륭한 선택입니다.
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
전체 점수 비교
카테고리별 분석
Deno 하이라이트
- ✅ Secure by default with explicit permissions
- ✅ Native TypeScript support without configuration
- 💰 Free
Bun 하이라이트
- ✅ Blazingly fast — fastest JS runtime in benchmarks
- ✅ Drop-in Node.js replacement for most projects
- 💰 Free
기능 비교
| 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 |
Deno란?
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.
✅장점
- •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
❌단점
- •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
Bun란?
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.
✅장점
- •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
❌단점
- •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
가격 비교
📊심층 분석: Deno vs Bun
Deno와 Bun 중에서 선택하는 것은 두 도구 모두 현대적인 워크플로우에 매력적인 기능을 제공하기 때문에 어려울 수 있습니다. 이 종합 비교에서는 기능과 가격부터 실제 사용 사례까지 모든 측면을 분석하여 정보에 입각한 결정을 내리는 데 도움을 드립니다.
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.
🎯최적의 사용 사례
Deno을 선택해야 할 때
- ✓팀을 위해:
Secure by default with explicit permissions
- ✓중소기업을 위해:
Native TypeScript support without configuration
- ✓대기업을 위해:
Web-standard APIs (fetch, Web Streams, etc.)
Bun을 선택해야 할 때
- ✓개인을 위해:
Blazingly fast — fastest JS runtime in benchmarks
- ✓중소기업을 위해:
Drop-in Node.js replacement for most projects
- ✓팀을 위해:
Built-in bundler, transpiler, and package manager
🔍기능 심층 분석
TypeScript
Security
Package Manager
Bundler
Test Runner
Linter
💰가격 분석
Deno
Free and open-source
✅ 무료 플랜 제공Bun
Free and open-source
✅ 무료 플랜 제공💡 Pro Tip
두 도구 모두 무료 체험 또는 무료 플랜을 제공합니다. 유료 플랜에 가입하기 전에 실제 워크플로우에서 두 도구를 모두 테스트해보시기 바랍니다.
🏆우리의 추천
광범위한 분석과 테스트 후, 우리의 결론은 다음과 같습니다: Deno와 Bun 모두 생산성을 크게 향상시킬 수 있는 훌륭한 도구입니다. 최선의 선택은 여러분의 구체적인 요구 사항, 워크플로우, 우선순위에 따라 달라집니다.
Deno을 선택하세요:
You want a secure-by-default runtime, prefer web-standard APIs, or value built-in developer tooling (linter, formatter, test runner).
Bun을 선택하세요:
You want the fastest JavaScript runtime, need drop-in Node.js compatibility, or want the fastest package manager.
자주 묻는 질문
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.
최종 결론: 무엇을 선택해야 할까요?
✨ Deno을 선택하세요, 만약
You want a secure-by-default runtime, prefer web-standard APIs, or value built-in developer tooling (linter, formatter, test runner).
✨ Bun을 선택하세요, 만약
You want the fastest JavaScript runtime, need drop-in Node.js compatibility, or want the fastest package manager.