Bun vs Node: The Runtime War That Could Cut Your Cloud Bill in Half

The Bun Boom: Why This New JavaScript Runtime Is Shaking Up the Ecosystem

Hot take: If you are still betting on Node.js as the default backend, you are ignoring the most disruptive performance story of 2024.

Developers have been whispering about Bun since its 2022 launch, but the past six months have turned that whisper into a full-blown chorus. Built in Zig, promising 30-40% faster cold starts, a built-in TypeScript compiler, and an npm-compatible package manager, Bun is now being adopted by startups, indie devs, and even some large SaaS teams. The question on every Twitter thread is not whether Bun works, but how its rise will reshape the JavaScript runtime landscape.

1. The three forces driving Bun's momentum

Performance obsession - Modern serverless platforms charge per millisecond. Bun's claim of sub-10 ms cold starts on AWS Lambda is a direct money-saving

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Bun vs Node: The Runtime War That Could Cut Your Cloud Bill in Half

The Bun Boom: Why This New JavaScript Runtime Is Shaking Up the Ecosystem

1. The three forces driving Bun's momentum

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