Bun vs Deno
A detailed comparison to help you choose the right framework & development for your business needs.
Platform Overview
Both Bun and Deno are popular framework & development solutions. Here's how they compare.
Bun
An all-in-one JavaScript runtime, bundler, transpiler, and package manager designed for speed and developer experience.
Deno
A secure JavaScript and TypeScript runtime built on V8 with built-in tooling, permissions model, and web standard APIs.
Feature Comparison
Bun Features
- Ultra-fast JavaScript runtime
- Built-in bundler and transpiler
- Native TypeScript support
- npm-compatible package manager
- SQLite driver included
Deno Features
- Secure by default with permissions
- Built-in TypeScript support
- Standard library included
- Web standard APIs
- Deno Deploy edge hosting
Best For
Bun — Best For
- High-performance JavaScript servers
- Fast development toolchain
- Drop-in Node.js replacement
Deno — Best For
- Secure server-side TypeScript
- Edge function development
- Modern JavaScript runtime projects
Our Verdict
Both Bun and Deno are excellent choices. Bun excels at high-performance javascript servers, while Deno shines at secure server-side typescript. The best choice depends on your specific needs, budget, and technical requirements.
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Frequently Asked Questions
Which is better, Bun or Deno?
Neither is universally better — it depends on your needs. Bun is best for high-performance javascript servers, while Deno excels at secure server-side typescript. We can help you evaluate which fits your business.
Can I switch from Bun to Deno?
Yes, migration is possible. The complexity depends on your current setup and data. Our team can plan and execute a smooth migration with minimal downtime.
Can I use Bun and Deno together?
In many cases, yes. Bun and Deno can complement each other depending on your architecture. We can advise on the best integration strategy.
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