Deno vs Bun: Modern Runtimes for AI Development
Compare Deno and Bun: security-first vs speed-first. Which runtime fits AI tooling, edge and scripts?
Deno
Security-first runtime. Native TypeScript, ESM, sandboxed by default. Strong for edge (Deno Deploy) and secure scripts.
Bun
Performance-first. Fast package install, native TS. All-in-one: runtime, bundler, test runner. For fast dev and scripts.
Comparison table
| Feature | Deno | Bun |
|---|---|---|
| Philosophy | Security, explicit permissions | Speed, npm compatibility |
| Edge | Deno Deploy, Cloudflare-compatible | Vercel, experimental edge |
| npm | Supported, not default | Fully npm compatible |
Verdict
Deno for security and edge. Bun for development speed and npm compatibility. Both suit AI; choice depends on deployment and preference.
Our recommendation
AVARC Solutions uses Deno for edge AI and sandboxed tooling. Bun for local dev and scripts. Node.js remains primary for production.
Frequently asked questions
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