ESLint vs Biome

ESLint9.4Visit Biome8.4Visit

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

vs

Biome #8 in Linters 8.4/10 Free plan Free plan✓ 4 of 4 features Visit Biome

• ESLint fits best

  JavaScript projects needing an extensible standard

• Biome fits best

  Teams linting and formatting web code

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Side by side

Feature	ESLint 9.4/10 Visit ↗	Biome 8.4/10 Visit ↗
At a glance
Editor score	9.4	8.4
Ranking	#1 in Linters	#8 in Linters
Best for	JavaScript projects needing an extensible standard	Teams linting and formatting web code
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted	Desktop
Support	Community, Docs	Community, Docs
Integrations	12 integrations	5 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features ESLint 4/4 · Biome 4/4
Autofix	✓	✓
Custom rules	✓	✓
Security rules	✓	✓
CI support	✓	✓
Specs
Languages supported	1	17 (best)
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	Combines linting, formatting, autofixes, import sorting, and CI checks Supports editor workflows through VS Code, IntelliJ, and Zed integrations Offers custom diagnostics, configurable rules, Docker images, and standalone binaries
Cons	Primary language scope is JavaScript and JSX Additional languages depend on plugins Autofix applies only to supported issues	Some listed languages are experimental or in progress Not all listed language entries currently support linting Its focus is web projects rather than general-purpose codebases
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 →	Biome is an open-source toolchain for web projects, combining a formatter, linter, command-line interface, and Language Server Protocol integration. It is aimed at developers and teams maintaining modern web applications, with support for… 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

• Biome — where it wins

  • Combines linting, formatting, autofixes, import sorting, and CI checks
  • Supports editor workflows through VS Code, IntelliJ, and Zed integrations
  • Offers custom diagnostics, configurable rules, Docker images, and standalone binaries

  Where it doesn't

  • Some listed languages are experimental or in progress
  • Not all listed language entries currently support linting
  • Its focus is web projects rather than general-purpose codebases

• ESLint9.4/10 · Free plan

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

  Visit ESLintFull verdict →
• Biome8.4/10 · Free plan

  An open-source web toolchain combining linting, formatting, fixes, and editor support.

  Visit BiomeFull verdict →