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.
Bottom line: ESLint wins this matchup. Ruff is our overall Code Review pick. Ruff is our free Code Review pick. Pick Biome if you need a fully free option.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
ESLint
Pluggable JavaScript and TypeScript linter
Best for you if:
- • You want industry standard
Biome
Fast formatter and linter for JavaScript and TypeScript
Best for you if:
- • You want fast linter/formatter
| At a Glance | ESLint | |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | Developer Tools Code Review | Developer Tools Testing & QA |
Rating | 4.5/5 G2 4.5 1,200 reviews | n/a |
Free plan | Yes | Yes |
Choose ESLint or Biome?
Choose ESLint if
- You want industry standard
- You want highly configurable
Choose Biome if
- You want fast linter/formatter
- You want rust-based
In-Depth Analysis
ESLint
Pluggable JavaScript and TypeScript linter
ESLint's pricing is exceptionally generous, as it is entirely free and open-source.
Strengths
- Pro: Industry standard
- Pro: Highly configurable
- Pro: Great ecosystem
Weaknesses
- Con: Configuration complexity
- Con: Can be slow on large codebases
- Con: Plugin version conflicts
Key features
Biome
Fast formatter and linter for JavaScript and TypeScript
Biome offers a completely free and open-source solution, making it incredibly generous.
Strengths
- Pro: Fast linter/formatter
- Pro: Rust-based
- Pro: Rome successor
- Pro: Single tool
- Pro: Good performance
Weaknesses
- Con: Newer tool
- Con: Ecosystem building
- Con: Plugin system limited
- Con: Migration effort
- Con: 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.
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 wins this matchup. Ruff is our overall Code Review pick. Ruff is our free Code Review pick.
Frequently Asked Questions
Is ESLint or Biome better in 2026?
ESLint wins this matchup. Ruff is our overall Code Review pick. Ruff is our free Code Review pick. Pick ESLint for developer tools workflows (main strength: industry standard). Pick Biome for developer tools workflows (main strength: fast linter/formatter).
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 free. Biome is free.
What's the main difference between ESLint and Biome?
ESLint's main strength: industry standard. Biome's main strength: fast linter/formatter.