DenovsBun

Deno vs Bun

A detailed comparison to help you choose the right framework & development for your business needs.

Platform Overview

Both Deno and Bun are popular framework & development solutions. Here's how they compare.

Deno

Category:Framework & Development
Website:deno.land

A secure JavaScript and TypeScript runtime built on V8 with built-in tooling, permissions model, and web standard APIs.

Bun

Category:Framework & Development
Website:bun.sh

An all-in-one JavaScript runtime, bundler, transpiler, and package manager designed for speed and developer experience.

Feature Comparison

Deno Features

  • Secure by default with permissions
  • Built-in TypeScript support
  • Standard library included
  • Web standard APIs
  • Deno Deploy edge hosting

Bun Features

  • Ultra-fast JavaScript runtime
  • Built-in bundler and transpiler
  • Native TypeScript support
  • npm-compatible package manager
  • SQLite driver included

Best For

Deno β€” Best For

  • Secure server-side TypeScript
  • Edge function development
  • Modern JavaScript runtime projects

Bun β€” Best For

  • High-performance JavaScript servers
  • Fast development toolchain
  • Drop-in Node.js replacement

Our Verdict

Both Deno and Bun are excellent choices. Deno excels at secure server-side typescript, while Bun shines at high-performance javascript servers. The best choice depends on your specific needs, budget, and technical requirements.

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Frequently Asked Questions

Which is better, Deno or Bun?

Neither is universally better β€” it depends on your needs. Deno is best for secure server-side typescript, while Bun excels at high-performance javascript servers. We can help you evaluate which fits your business.

Can I switch from Deno to Bun?

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 Deno and Bun together?

In many cases, yes. Deno and Bun can complement each other depending on your architecture. We can advise on the best integration strategy.

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