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| Metric | Bun | Python (CPython) | Firecracker | CUDA Runtime | AWS Lambda |
|---|---|---|---|---|---|
| Score | B+76 | B71 | B70 | B-65 | B-65 |
| Type | Language | Language | MicroVM | Serverless | |
| Execution | jit | interpreted | aot | aot | hybrid |
| Interface | cli | cli | api | sdk | platform |
| Cold Start | 3ms | 50ms | 125ms | 100ms | 200ms |
| Memory | 25MB | 15MB | 5MB | 500MB | 128MB |
| Startup | 1ms | 10ms | 100ms | 50ms | 100ms |
| Isolation | process | process | microvm | hardware | microvm |
| Maturity | stable | production | production | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | Python | Any | C, C++, Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust |
| License | MIT | Other | Apache-2.0 | Proprietary | Proprietary |
| Links |