Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Cloudflare Workers | Vercel Edge Functions | Deno |
|---|---|---|---|
| Score | B+75 | B71 | C+64 |
| Type | Edge | Edge | Language |
| Execution | jit | jit | jit |
| Interface | platform | platform | cli |
| Cold Start | <1ms | 10ms | 20ms |
| Memory | 128MB | 128MB | 35MB |
| Startup | <1ms | 1ms | 15ms |
| Isolation | process | process | process |
| Maturity | production | stable | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | JavaScript, TypeScript, WebAssembly | JavaScript, TypeScript, WebAssembly |
| License | Proprietary | Proprietary | MIT |
| Links |