Node.js vs Bun: What Actually Changes When You Switch?

<h2> A 14-Second Build Dropped to 3 Seconds, Then Everything Else Went Wrong </h2> <p>Six months ago, our API was a standard Express + TypeScript setup running on Node.js 22. It

<p>After running Bun on Lambda for 60 days, we discovered it's 3x faster than Node.js 22. However, the transition wasn't without its surprises. Here's what broke and what didn't.

<p>Bun 在 2022 年宣稱效能比 Node.js 快 3–10 倍。到了 2026 年，經歷 1.0 和多個主要版本後，問題不再是 Bun 是否真的快——它確實快。問題是：效能優勢是否足以讓你從網頁開發中最成熟的執行環境切換過去？</p> <p>這篇比較涵蓋你做決定所需的一切。</p> <h2> 快速比較表 </h2> <div