Comparison

Biome vs ESLint

On the evidence we track, ESLint leads this comparison with a composite score of 76/100. 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.
Biome68
★ESLint76
Score
vioscaleAI score
Biome68 / 100medium · 68%
ESLint76 / 100high · 78%
Pricing
Free tier
Biome✓
ESLint✓
Model
Price level
Biomelow
ESLintfree
Transparent
Biome✗
ESLint–
Integrations
Count
Biome3
ESLint2
Adoption
Dependent repos
Biome587
ESLint1,569,244
Github stars
Biome25,952
ESLint27,559
Package downloads weekly
Activity
Commits last 30d
Biome100
ESLint44
Release
Cadence days
Biome6
ESLint13
History
ESLint20 items
License
Spdx
ESLintMIT
Language
Primary
BiomeRust
Market
Availability
ESLint–
Content
Faq
Biome5 items
ESLint5 items

Capabilities

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

Core
Function
BiomeLinter + formatter
ESLintLinter + formatter
Language scope
BiomeMulti-language
ESLintSingle-language
Implementation language
BiomeRust
ESLintJavaScript
Capability
Autofix
Biome✓
ESLint✓
Config
Config model
BiomeZero-config
ESLintConfig file
Extensibility
Custom rules
Biome-
ESLint✓
Deployment
Deployment
BiomeCLI-local
ESLintCLI-local
Delivery
Editor integration
Biome✓
ESLint✓
CI / VCS gating
Biome✓
ESLint✓
Insight
Code metrics
Biome-
ESLint-
Performance
Incremental / monorepo aware
Biome-
ESLint-
Licensing
Open-source
BiomeOSS
ESLintOSS
Commercial
Pricing model
BiomeFree
ESLintFree

What each one is

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

Biome

An all-in-one code formatter and linter built with Rust that can format code, identify issues, and improve code quality with high performance and minimal setup required.

Independently observed

ESLint

Leader

Open-source linter that uses abstract syntax tree analysis to detect JavaScript code issues and apply syntax-aware fixes, with extensive customization through custom rules and parsers.

Independently observed

Pricing

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

Biome

HybridFree tier

Open source with optional commercial support available

as of verify ↗

ESLint

Leader
Open sourceFree tier

Free open source

  • Open SourceFree
    • Find issues in JavaScript code
    • Automatically fix problems
    • Custom parsers
    • Custom rules
    • Text editor integration
    • +1 more
as of verify ↗

Platform & deployment

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

Platforms
CLI
Biome✓
ESLint✓
Deployment
Self-hosted
Biome✓
ESLint✓

Integrations

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

Biome

3 total
  • ESLint
  • TypeScript ESLint
  • Prettier
Independently observed

ESLint

Leader
2 total
  • eslint-plugin-react
  • eslint-plugin-unicorn
Independently observed
Still deciding?

Biome or ESLint: 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.