Software · head to head
Deno vs Prettier
Deno
Software
A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Deno the runtime itself is MIT licensed per the project's GitHub repository (denoland/deno LICENSE.md) with no cost, but Deno Deploy's free tier caps at 1 million requests and 15 CPU hours per month, per deno.com/deploy/pricing (Aug 2026); Prettier inflexible style rules that cannot be customized significantly, forcing teams to accept opinionated defaults
Where they differ
Only the attributes on which Deno and Prettier actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Deno
- The runtime itself is MIT licensed per the project's GitHub repository (denoland/deno LICENSE.md) with no cost, but Deno Deploy's free tier caps at 1 million requests and 15 CPU hours per month, per deno.com/deploy/pricing (Aug 2026)
- Deno Deploy Pro at $20 per month charges $2 per additional million requests and $0.05 per additional CPU hour once the included quota is exceeded, per deno.com/deploy/pricing
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
Deno
FreeNo published plan breakdown. See the Deno review.
Prettier
FreeNo published plan breakdown. See the Prettier review.
Which should you pick?
Choose Prettier if
- You want to start without paying.
- You work on CLI, Editor Plugins, Build Tools.
Questions people ask
- Is Deno or Prettier better?
- Neither clearly leads. Deno 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, Deno or Prettier?
- Deno starts at Free and Prettier at Free.
- Does Deno or Prettier run on more platforms?
- Deno runs on Web. Prettier runs on CLI, Editor Plugins, Build Tools.
- Can I use Deno for free?
- Both have a free tier, so you can try either at no cost before committing.
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.
SourcePrettier: 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.
SourcePrettier: 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.
SourceRelated pages
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