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| Metric | Bun | Vercel Edge Functions | AWS Lambda | Node.js |
|---|---|---|---|---|
| Score | B+76 | B71 | B-65 | B-65 |
| Type | Language | Edge | Serverless | Language |
| Execution | jit | jit | hybrid | jit |
| Interface | cli | platform | platform | cli |
| Cold Start | 3ms | 10ms | 200ms | 50ms |
| Memory | 25MB | 128MB | 128MB | 40MB |
| Startup | 1ms | 1ms | 100ms | 20ms |
| Isolation | process | process | microvm | process |
| Maturity | stable | stable | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | JavaScript, TypeScript, WebAssembly | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript |
| License | MIT | Proprietary | Proprietary | MIT |
| Links |