Ruff vs Astral

Ruff9.2Visit Astral8.2Visit

Higher score Ruff #2 in Linters 9.2/10 Free plan Free plan✓ 3 of 4 features Visit Ruff

vs

Astral #10 in Linters 8.2/10 Free plan Free plan✓ 3 of 4 features Visit Astral

• Ruff fits best

  Python teams wanting linting and formatting together

• Astral fits best

  Python teams seeking linting, fixes, and formatting

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Side by side

Feature	Ruff 9.2/10 Visit ↗	Astral 8.2/10 Visit ↗
At a glance
Editor score	9.2	8.2
Ranking	#2 in Linters	#10 in Linters
Best for	Python teams wanting linting and formatting together	Python teams seeking linting, fixes, and formatting
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Platforms	Web, Windows, macOS, Linux	Windows, macOS, Linux
Support	Docs	Docs
Integrations	10 integrations	6 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Ruff 3/4 · Astral 3/4
Autofix	✓	✓
Custom rules	—	—
Security rules	✓	✓
CI support	✓	✓
Specs
Languages supported	1	1
IDE support	Ide	Ide
Our review
Pros	More than 900 built-in lint rules Automatic fixes and built-in Python formatting Editor, notebook, CI, pre-commit, and Docker integrations	More than 900 built-in lint rules with configurable selection and suppression Can automatically fix supported findings and format Python code Supports editor language servers, Jupyter files, and CI workflows
Cons	Focused on Python rather than multiple languages Custom lint rules are not supported Third-party plugins are not supported	Supports Python rather than multiple programming languages Does not support custom user-created lint rules Support channels listed are documentation only
Our verdict	Ruff is an open-source Python linter and code formatter for developers and teams. It checks Python files with the ruff check command, automatically fixes supported violations, and formats Python code. Its focus suits Python projects that… Read the review →	Astral is a Python developer-tools company whose products include Ruff, an open-source linter and code formatter written in Rust. Ruff is for Python developers and teams that want to check files from the command line, configure which… Read the review →

Strengths and trade-offs

• Ruff — where it wins

  • More than 900 built-in lint rules
  • Automatic fixes and built-in Python formatting
  • Editor, notebook, CI, pre-commit, and Docker integrations

  Where it doesn't

  • Focused on Python rather than multiple languages
  • Custom lint rules are not supported
  • Third-party plugins are not supported

• Astral — where it wins

  • More than 900 built-in lint rules with configurable selection and suppression
  • Can automatically fix supported findings and format Python code
  • Supports editor language servers, Jupyter files, and CI workflows

  Where it doesn't

  • Supports Python rather than multiple programming languages
  • Does not support custom user-created lint rules
  • Support channels listed are documentation only

• Ruff9.2/10 · Free plan

  Free Python linting and formatting with more than 900 built-in rules.

  Visit RuffFull verdict →
• Astral8.2/10 · Free plan

  An open-source Python linter and formatter with fixes, editor support, and CI integration.

  Visit AstralFull verdict →