Comparison

Ruff vs StyleLint

No clear leader: StyleLint (77.2) and Ruff (72.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Ruff73
StyleLint77
Score
vioscaleAI score
Ruff73 / 100medium · 68%
StyleLint77 / 100medium · 71%
Pricing
Free tier
Ruff–
StyleLint✓
Model
Price level
Ruff–
StyleLintfree
Transparent
Ruff–
StyleLint✓
Integrations
Count
Ruff6
StyleLint–
Adoption
Dependent repos
Ruff5,870
StyleLint200,392
Github stars
Ruff49,914
StyleLint11,531
Package downloads weekly
Activity
Commits last 30d
Ruff100
StyleLint36
Release
Cadence days
Ruff7
StyleLint7
History
StyleLint20 items
License
Spdx
RuffMIT
StyleLintMIT
Language
Primary
RuffRust
StyleLintJavaScript
Market
Content
Faq
StyleLint5 items

Capabilities

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

Core
Function
RuffLinter
StyleLintLinter + formatter
Language scope
RuffSingle-language
StyleLintSingle-language
Implementation language
RuffRust
StyleLintJavaScript
Capability
Autofix
Ruff✓
StyleLint✓
Config
Config model
Ruff-
StyleLintConfig file
Extensibility
Custom rules
Ruff-
StyleLint✓
Deployment
Deployment
RuffCLI-local
StyleLintCLI-local
Delivery
Editor integration
Ruff✓
StyleLint✓
CI / VCS gating
Ruff-
StyleLint✓
Insight
Code metrics
Ruff-
StyleLint✓
Performance
Incremental / monorepo aware
Ruff✓
StyleLint✓
Licensing
Open-source
RuffOSS
StyleLintOSS
Commercial
Pricing model
RuffFree
StyleLintFree

What each one is

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

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

StyleLint

A CSS linter that validates stylesheets against built-in and custom rules to ensure error-free and consistent code, with automatic fixing capabilities and support for CSS-like languages.

Independently observed

Pricing

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

Ruff

Pricing not documented yet.

StyleLint

Open sourceFree tier
as of verify ↗

Platform & deployment

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

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

Integrations

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

Ruff

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

StyleLint

Not documented yet.

Still deciding?

Ruff or StyleLint: 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.