Comparison

Prettier vs Ruff

On the evidence we track, Prettier leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Prettier80
Ruff73
Score
vioscaleAI score
Prettier80 / 100high · 78%
Ruff73 / 100medium · 68%
Pricing
Free tier
Prettier✓
Ruff–
Model
Price level
Prettierfree
Ruff–
Transparent
Prettier✓
Ruff–
Integrations
Count
Prettier19
Ruff6
Adoption
Dependent repos
Prettier1,703,312
Ruff5,870
Github stars
Prettier52,446
Ruff49,914
Package downloads weekly
Activity
Commits last 30d
Prettier100
Ruff100
Release
Cadence days
Prettier5
Ruff7
History
Prettier20 items
License
Spdx
PrettierMIT
RuffMIT
Language
Primary
PrettierJavaScript
RuffRust
Content
Faq
Prettier6 items

Capabilities

Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.

Core
Function
PrettierFormatter
RuffLinter
Language scope
PrettierMulti-language
RuffSingle-language
Implementation language
PrettierJavaScript
RuffRust
Capability
Autofix
Prettier✓
Ruff✓
Config
Config model
PrettierConfig file
Ruff-
Extensibility
Custom rules
Prettier✗
Ruff-
Deployment
Deployment
PrettierCLI-local
RuffCLI-local
Delivery
Editor integration
Prettier✓
Ruff✓
CI / VCS gating
Prettier✓
Ruff-
Insight
Code metrics
Prettier✗
Ruff-
Performance
Incremental / monorepo aware
Prettier✓
Ruff✓
Licensing
Open-source
PrettierOSS
RuffOSS
Commercial
Pricing model
PrettierFree
RuffFree

What each one is

The product in its own terms, so the numbers below have context.

Prettier

Leader

An automatic formatting tool that parses code and reformats it according to opinionated style rules, adjusting wrapping based on line length constraints.

Independently observed

Ruff

A tool for analyzing and formatting Python code, designed to be fast and efficient through Rust implementation, with support across multiple platforms.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Prettier

Leader
Open sourceFree tier

Free and open source

as of verify ↗

Ruff

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Prettier✓
Ruff✗
macOS
Prettier✗
Ruff✓
Windows
Prettier✗
Ruff✓
Linux
Prettier✗
Ruff✓
CLI
Prettier✓
Ruff✓
Deployment
Self-hosted
Prettier✓
Ruff✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Prettier

Leader
8 total
  • VS Code
  • WebStorm
  • Vim
  • Sublime Text
  • Emacs
  • Visual Studio
  • Nova
  • Neovim
Independently observed

Ruff

7 total
  • Flake8
  • isort
  • Autoflake
  • Pyflakes
  • pycodestyle
  • Pylint
  • Visual Studio Code
Independently observed
Still deciding?

Prettier or Ruff: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.