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Bun vs Deno Deploy

Trust Score comparison · March 2026

Bun
86
Trust
Good
View profile
VS
Trust Score Δ
26
🏆 Bun wins
Deno Deploy
60
Trust
Fair
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Signal Comparison

2M+Downloads / mo8k/wk
400 commitsCommits (90d)180
76k ★GitHub stars94k (deno repo)
2k q'sStack Overflow5k
HighCommunityActive
BunDeno Deploy

Key Differences

FactorBunDeno Deploy
LicenseMITProprietary (hosting) / MIT (runtime)
LanguageTypeScriptTypeScript
HostedSelf-hostedSelf-hosted
Free tier
Open Source✓ Yes
TypeScript

Pick Bun if…

  • You want the fastest JavaScript runtime with native TS support
  • Replacing Node.js + npm + Jest with a single tool
  • Performance-sensitive server-side scripts or APIs

Pick Deno Deploy if…

  • TypeScript-first edge functions without a build pipeline
  • Deno projects wanting managed serverless deployment
  • Simple scripts or APIs needing global distribution quickly

Side-by-side Quick Start

Bun
# Install Bun
curl -fsSL https://bun.sh/install | bash

# Create a server
bun init
# server.ts
Bun.serve({
  port: 3000,
  fetch(req) { return new Response('Hello Bun!'); },
});
bun run server.ts
Deno Deploy
// main.ts — no install, no build step needed
Deno.serve(async (req) => {
  const url = new URL(req.url);

  if (url.pathname === '/api/hello') {
    return Response.json({
      message: 'Hello from Deno Deploy!',
      deno: Deno.version.deno,
      timestamp: new Date().toISOString(),
    });
  }

  return new Response('Not found', { status: 404 });
});

// Deploy: deployctl deploy --project=my-project main.ts

Community Verdict

Based on upvoted notes
🏆
Bun wins this comparison
Trust Score 86 vs 60 · 26-point difference

Bun leads on Trust Score with stronger signal data across downloads and community health. That said, the other tool is worth considering if your use case matches its specific strengths above.