Back
Bun vs Deno Deploy
Trust Score comparison · March 2026
Signal Comparison
2M+Downloads / mo8k/wk
400 commitsCommits (90d)180
76k ★GitHub stars94k (deno repo)
2k q'sStack Overflow5k
HighCommunityActive
BunDeno Deploy
Key Differences
| Factor | Bun | Deno Deploy |
|---|---|---|
| License | MIT | Proprietary (hosting) / MIT (runtime) |
| Language | TypeScript | TypeScript |
| Hosted | Self-hosted | Self-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.tsDeno 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.tsCommunity 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.