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Software · head to head

Bun vs Prettier

Bun logo

Bun

Software

JavaScript runtime, bundler, test runner and package manager unified in single toolchain

From
Free
Rated
-
Full reviewWebsite
Prettier logo

Prettier

Software

Opinionated code formatter

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bun linux requires kernel 5.6 or higher (5.1 minimum but with compatibility issues); older systems not supported; Prettier inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults

Where they differ

Only the attributes on which Bun and Prettier actually diverge.

Attributes where Bun and Prettier differ
AttributeBunPrettier
Pricing modelopen-sourcefree
PlatformsmacOS, Windows, Linux, FreeBSD, AndroidCLI, Editor Plugins, Build Tools
FoundedUnknown2016

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What people use each for

The jobs each tool is most often brought in to do.

Bun

  • High-performance JavaScript services prioritising startup time and memory efficiencynot Prettier
  • Single-file executable deployment without Node runtime dependenciesnot Prettier
  • Monorepo management with workspace supportnot Prettier
  • Full-stack development with unified toolchainnot Prettier
  • Systems programming and shell scripting with JavaScriptnot Prettier

Prettier

No use cases recorded yet. See the Prettier review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bun

  • Linux requires kernel 5.6 or higher (5.1 minimum but with compatibility issues); older systems not supported
  • Native Node.js addons not supported directly; requires FFI workarounds for C libraries
  • Ecosystem less mature than Node.js; fewer third-party packages optimised for Bun
  • Windows support newer and less mature than Linux/macOS; occasional edge cases

Prettier

  • Inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults
  • Developers must format entire files rather than selective line ranges in some contexts
  • Limited language support compared to some alternatives, though it covers major languages

Pricing, plan by plan

Bun

Free

No published plan breakdown. See the Bun review.

Prettier

Free

No published plan breakdown. See the Prettier review.

Which should you pick?

Choose Bun if

  • You want to start without paying.
  • You work on macOS, Windows, Linux, FreeBSD, Android.
Bun review

Choose Prettier if

  • You want to start without paying.
  • You work on CLI, Editor Plugins, Build Tools.
Prettier review

Questions people ask

Is Bun or Prettier better?
Neither clearly leads. Bun starts at Free and Prettier at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bun or Prettier?
Bun starts at Free and Prettier at Free.
Does Bun or Prettier run on more platforms?
Bun runs on macOS, Windows, Linux, FreeBSD, Android. Prettier runs on CLI, Editor Plugins, Build Tools.
Can I use Bun for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bun best used for?
Bun is most often used for high-performance javascript services prioritising startup time and memory efficiency, single-file executable deployment without node runtime dependencies, monorepo management with workspace support, full-stack development with unified toolchain. Of those, high-performance javascript services prioritising startup time and memory efficiency and single-file executable deployment without node runtime dependencies are not what Prettier is typically brought in for.

Answered from the vendors’ own pages

Prettier: Is Prettier free and open source?

Yes, Prettier is completely free and open source, available as an npm package with no licensing costs or subscriptions.

Source
Prettier: Can Prettier be integrated with ESLint?

Yes, Prettier integrates with ESLint by disabling ESLint formatting rules via eslint-config-prettier, allowing both tools to work together with Prettier handling formatting and ESLint handling code quality.

Source
Prettier: Does Prettier support configuration customization?

Prettier is intentionally opinionated with limited configuration options to enforce consistency. You can create a .prettierrc file for basic customization, but Prettier does not support extensive rule customization like ESLint.

Source
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Related pages

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