ESLint vs Astral

ESLint9.4Visit Astral8.2Visit

Higher score ESLint #1 in Linters 9.4/10 Free plan Free plan✓ 4 of 4 features Visit ESLint

vs

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

• ESLint fits best

  JavaScript projects needing an extensible standard

• Astral fits best

  Python teams seeking linting, fixes, and formatting

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Side by side

Feature	ESLint 9.4/10 Visit ↗	Astral 8.2/10 Visit ↗
At a glance
Editor score	9.4	8.2
Ranking	#1 in Linters	#10 in Linters
Best for	JavaScript projects needing an extensible standard	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
Support	Community, Docs	Docs
Integrations	12 integrations	6 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features ESLint 4/4 · Astral 3/4
Autofix	✓	✓
Custom rules	✓ (best)	—
Security rules	✓	✓
CI support	✓	✓
Specs
Languages supported	1	1
IDE support	Ide	Ide
Our review
Pros	Free, open-source static analysis with automatic fixing Custom rules, plugins, parsers, and configurations Integrates with editors, build tools, CI, and Node.js	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	Primary language scope is JavaScript and JSX Additional languages depend on plugins Autofix applies only to supported issues	Supports Python rather than multiple programming languages Does not support custom user-created lint rules Support channels listed are documentation only
Our verdict	ESLint is an open-source static-analysis tool for identifying and fixing problems in JavaScript code. It analyzes code without executing it, reports rule violations, and can automatically fix many supported issues through the --fix… 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

• ESLint — where it wins

  • Free, open-source static analysis with automatic fixing
  • Custom rules, plugins, parsers, and configurations
  • Integrates with editors, build tools, CI, and Node.js

  Where it doesn't

  • Primary language scope is JavaScript and JSX
  • Additional languages depend on plugins
  • Autofix applies only to supported issues

• 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

• ESLint9.4/10 · Free plan

  A free, extensible JavaScript linter with autofix, plugins, and broad developer-tool integrations.

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

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

  Visit AstralFull verdict →