Biome vs Trunk: Which is Better in 2026?
Choosing between Biome and Trunk 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:
Biome
Fast formatter and linter for JavaScript and TypeScript
Best for you if:
- • You need something completely free
- • 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
Trunk
Code quality and developer experience tools
Best for you if:
- • Trunk is a developer productivity tool for code quality and CI
- • It provides linting, formatting, and merge queue automation
| At a Glance |  Trunk | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | Developer Tools |
Rating | - | 4.9/5 |
Free plan | Yes | Yes |
Choose Biome or Trunk?
Choose Biome if
Fast formatter and linter for JavaScript and TypeScript
- Fast linter/formatter
- Rust-based
- Rome successor
- You want a fully free tool (Trunk requires payment)
Choose Trunk if
Code quality and developer experience tools
- All-in-one linting
- Good defaults
- Active development
| Feature | Biome | Trunk |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | ★4.9/5 145 reviews |
| Categories | Developer ToolsTesting & QA | Developer ToolsCode Review |
In-Depth Analysis
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
Trunk
Code quality and developer experience tools
Strengths
- +All-in-one linting
- +Good defaults
- +Active development
- +Good documentation
- +Fair pricing
Weaknesses
- -Newer tool
- -Learning curve
- -Feature gaps
- -Vendor lock-in
- -Still maturing
Key features
Pricing: Biome vs Trunk
| Plan | Biome | Trunk |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | N/A | Custom Team |
| Tier 3 | N/A | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Biome pricing and Trunk pricing.
Who Should Use What?
On a budget?
Biome is free. Trunk is freemium.
Go with: Biome
Want the highest-rated option?
Trunk is rated 4.9/5. Biome has no ratings yet.
Go with: Trunk
Value user reviews?
Biome: no ratings yet. Trunk: 145 reviews (4.9/5).
Go with: Trunk
3 Questions to Help You Decide
What's your budget?
Biome is free. Trunk is freemium. Go with Biome if free matters most.
What's your use case?
Both are developer tools tools. Compare their specific features to decide.
How important are ratings?
Trunk is rated 4.9/5; Biome has no ratings yet.
Key Takeaways
Biome
- Completely free
- Our pick for this comparison
Trunk
- Choose if you want code quality and developer experience tools
The Bottom Line
Biome is our pick.
Frequently Asked Questions
Is Biome or Trunk better?
Biome is rated in our evaluation. Biome is free and Trunk is freemium.
What are Biome and Trunk used for?
Biome: Fast formatter and linter for JavaScript and TypeScript. Trunk: Code quality and developer experience tools.
What does Biome cost vs Trunk?
Biome is completely free. Trunk is freemium (free tier + paid plans). Visit their websites for detailed pricing.