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| Metric | Bun | Firecracker | AWS Lambda | Docker |
|---|---|---|---|---|
| Score | B+76 | B70 | B-65 | C-54 |
| Type | Language | MicroVM | Serverless | Container |
| Execution | jit | aot | hybrid | hybrid |
| Interface | cli | api | platform | cli |
| Cold Start | 3ms | 125ms | 200ms | 500ms |
| Memory | 25MB | 5MB | 128MB | 50MB |
| Startup | 1ms | 100ms | 100ms | 200ms |
| Isolation | process | microvm | microvm | container |
| Maturity | stable | production | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | Any | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | Any |
| License | MIT | Apache-2.0 | Proprietary | Apache-2.0 |
| Links |