Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Bun | Deno | Azure Functions |
|---|---|---|---|
| Score | B+76 | C+64 | C56 |
| Type | Language | Language | Serverless |
| Execution | jit | jit | hybrid |
| Interface | cli | cli | platform |
| Cold Start | 3ms | 20ms | 800ms |
| Memory | 25MB | 35MB | 128MB |
| Startup | 1ms | 15ms | 100ms |
| Isolation | process | process | container |
| Maturity | stable | stable | production |
| Languages | JavaScript, TypeScript, JSX, TSX | JavaScript, TypeScript, WebAssembly | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go |
| License | MIT | MIT | MIT |
| Links |