ESLint vs Biome: Which is Better in 2026?
Choosing between ESLint and Biome comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
ESLint
Pluggable JavaScript and TypeScript linter
Best for you if:
- • Standard JavaScript/TypeScript linter for code quality
- • Configurable rules with extensive plugin ecosystem
Biome
Fast formatter and linter for JavaScript and TypeScript
Best for you if:
- • Biome is a fast formatter and linter for JavaScript, TypeScript, JSON, and more
- • It replaces ESLint and Prettier with a single tool written in Rust for speed
| At a Glance |  ESLint | |
|---|---|---|
Starts at | Free | Free |
Best For | Developer Tools | Developer Tools |
Rating | - | - |
Choose ESLint or Biome?
Choose ESLint if
Pluggable JavaScript and TypeScript linter
- Industry standard
- Highly configurable
- Great ecosystem
Choose Biome if
Fast formatter and linter for JavaScript and TypeScript
- Fast linter/formatter
- Rust-based
- Rome successor
| Feature | ESLint | Biome |
|---|---|---|
| Pricing Model | Free | Free |
| User Rating | No ratings yet | No ratings yet |
| Categories | Developer ToolsCode Review | Developer ToolsTesting & QA |
In-Depth Analysis
ESLint
Pluggable JavaScript and TypeScript linter
Strengths
- +Industry standard
- +Highly configurable
- +Great ecosystem
Weaknesses
- -Configuration complexity
- -Can be slow on large codebases
- -Plugin version conflicts
Key features
Biome
Fast formatter and linter for JavaScript and TypeScript
Strengths
- +Fast linter/formatter
- +Rust-based
- +Rome successor
- +Single tool
- +Good performance
Weaknesses
- -Newer tool
- -Ecosystem building
- -Plugin system limited
- -Migration effort
- -Community smaller
Key features
Pricing: ESLint vs Biome
| Plan | ESLint | Biome |
|---|---|---|
| Tier 1 | Free Free | Free Free |
Pricing verified from each vendor's public pricing page. Compare in detail on ESLint pricing and Biome pricing.
Who Should Use What?
On a budget?
Both are free. Compare plans on their websites.
Go with: ESLint
Want the highest-rated option?
Neither has user reviews yet.
Go with: ESLint
Value user reviews?
Neither has user reviews yet.
Go with: ESLint
3 Questions to Help You Decide
What's your budget?
Both are free. Pricing won't help you decide here.
What's your use case?
Both are developer tools tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
ESLint
- Completely free
- Our pick for this comparison
Biome
- Choose if you want fast formatter and linter for JavaScript and TypeScript
The Bottom Line
ESLint is our pick.
Frequently Asked Questions
Is ESLint or Biome better?
ESLint is rated in our evaluation. Both are free.
What are ESLint and Biome used for?
ESLint: Pluggable JavaScript and TypeScript linter. Biome: Fast formatter and linter for JavaScript and TypeScript.
What does ESLint cost vs Biome?
ESLint is completely free. Biome is completely free. Visit their websites for detailed pricing.