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| Metric | Bun | AWS Lambda | Deno |
|---|---|---|---|
| Score | B+76 | B-65 | C+64 |
| Type | Language | Serverless | Language |
| Execution | jit | hybrid | jit |
| Interface | cli | platform | cli |
| Cold Start | 3ms | 200ms | 20ms |
| Memory | 25MB | 128MB | 35MB |
| Startup | 1ms | 100ms | 15ms |
| Isolation | process | microvm | process |
| Maturity | stable | production | stable |
| Languages | JavaScript, TypeScript, JSX, TSX | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript, WebAssembly |
| License | MIT | Proprietary | MIT |
| Links |