Bun vs Deno
| Tagline | Fast all-in-one JavaScript runtime | Modern runtime for JavaScript and TypeScript |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Pricing | Open Source | Open Source |
| Upvotes | 0 | 0 |
| Comments | 0 | 0 |
| Page views | 0 | 0 |
| Click-through to site | 0.0% | 0.0% |
| Readiness Score | 90/100 | 0/100 |
| Launched | Oct 5, 2026 | Oct 5, 2026 |
| Maker | — | — |
What is Bun?
Bun is a JavaScript runtime, bundler, test runner and package manager built for speed.
What is Deno?
Deno is a secure JavaScript and TypeScript runtime with built-in tooling and Deno Deploy.
Not sold on either? See alternatives to Bun or alternatives to Deno.
Verdict
Bun leads on 1 of the measurable metrics above (votes, engagement, click-through and readiness). Choose Bun if you want fast all-in-one JavaScript runtime; choose Deno if you want modern runtime for JavaScript and TypeScript.
Is Bun better than Deno?
On AskableHQ's community and engagement data, Bun currently performs better, but the right choice depends on your use case.
Which is cheaper, Bun or Deno?
Bun is Open Source; Deno is Open Source. Check each website for current plans.