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| Metric | Bun | gVisor | Python (CPython) | Firecracker |
|---|---|---|---|---|
| Score | B+76 | B72 | B71 | B70 |
| Type | Language | MicroVM | Language | MicroVM |
| Execution | jit | hybrid | interpreted | aot |
| Interface | cli | cli | cli | api |
| Cold Start | 3ms | 50ms | 50ms | 125ms |
| Memory | 25MB | 20MB | 15MB | 5MB |
| Startup | 1ms | 30ms | 10ms | 100ms |
| Isolation | process | microvm | process | microvm |
| Maturity | stable | stable | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | Any | Python | Any |
| License | MIT | Apache-2.0 | Other | Apache-2.0 |
| Links |