Should I switch from Node.js to Bun in 2026?

Yes for new TypeScript APIs, CLIs, or perf-critical services. No for heavy legacy or Next.js.

What are Bun's biggest advantages over Node.js?

4x faster startup, 3x HTTP speed, native TS/JSX/tests/bundler/package manager—all in one binary.

Absolutely since v1.0. Most npm works; gaps in native addons/workers closing fast.

Imagine firing up your server in 6 milliseconds flat, not 40. Bun isn't just faster—it's the all-in-one runtime rewriting JavaScript backends.

theAIcatchup Apr 10, 2026 4 min read

Bun delivers 2-4x faster startups and 3x HTTP throughput vs Node.js—perfect for serverless and APIs. 𝕏
Native TypeScript, built-in tools make Bun a no-config dream for new projects. 𝕏
Stick with Node for legacy ecosystems; Bun owns greenfield TS backends in 2026. 𝕏

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#Bun runtime #JavaScript performance #JavaScript runtime #JavaScript runtimes #Node.js #Node.js alternative #TypeScript backend #TypeScript runtime #bun 2026 #bun vs node.js

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Originally reported by dev.to