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| Metric | Bun | gVisor | Python (CPython) | Firecracker | Node.js | KoboldCpp |
|---|---|---|---|---|---|---|
| Score | B+76 | B72 | B71 | B70 | B-65 | F38 |
| Type | Language | MicroVM | Language | MicroVM | Language | |
| Execution | jit | hybrid | interpreted | aot | jit | hybrid |
| Interface | cli | cli | cli | api | cli | gui |
| Cold Start | 3ms | 50ms | 50ms | 125ms | 50ms | 1500ms |
| Memory | 25MB | 20MB | 15MB | 5MB | 40MB | 400MB |
| Startup | 1ms | 30ms | 10ms | 100ms | 20ms | 300ms |
| Isolation | process | microvm | process | microvm | process | process |
| Maturity | stable | stable | production | production | production | stable |
| Languages | JavaScript, TypeScript, JSX, TSX | Any | Python | Any | JavaScript, TypeScript | C++, Python |
| License | MIT | Apache-2.0 | Other | Apache-2.0 | MIT | AGPL-3.0 |
| Links |