Bun vs Node vs Deno for Indie Hackers in 2026

Stop choosing runtimes based on empty benchmarks.

Most charts show Bun as four times faster than Node. These numbers only matter for "Hello World" tests. In a real app, your database query is the bottleneck. Once your code hits a database or runs business logic, the speed gap between Bun, Node, and Deno disappears.

In 2026, you should pick a runtime based on your specific constraints.

Here is the breakdown:

Node.js: The Safe Default • Best for: Predictable production and deep ecosystems. • Pros: It works everywhere. It has the most packages and the best answers on Stack Overflow. Node 24 now has native TypeScript support. • Cons: It is the slowest for cold starts and requires you to build your own toolchain. • Verdict: Use Node if you want to ship a SaaS without surprises.

Bun: The Speed Play • Best for: Fast CI/CD, low cold starts, and great developer experience. • Pros: It is an all-in-one tool. It includes a runtime, package manager, and test runner. Anthropic acquired Bun in late 2025, which reduces the risk of it being abandoned. • Cons: Debugging can be harder than Node. Some C++ addons might struggle. • Verdict: Use Bun if you want fast installs and fast serverless starts.

Deno: The Security Specialist • Best for: Security-first apps and edge functions. • Pros: It uses a secure-by-default model. You must explicitly grant permission for network or file access. It has excellent built-in tools like linters and formatters. • Cons: The ecosystem is smaller. The permission model adds friction to daily tasks. • Verdict: Use Deno for fintech, healthcare, or edge-heavy projects.

Summary Table:

• Cold Start: Bun (Fastest) | Deno (Middle) | Node (Slowest) • Ecosystem: Node (Deepest) | Bun (95% npm) | Deno (95% npm) • Security: Deno (Secure by default) | Node/Bun (Opt-in)

The runtime war is over. Because of shared web standards, you can write code that runs on all three.

My advice for indie hackers: Stay on Node.js unless you have a specific reason to move. Boring technology is a feature when you are a solo founder.

Source: https://dev.to/devtoolpicks/bun-vs-node-vs-deno-for-indie-hackers-in-2026-2fa