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| Metric | gVisor | Python (CPython) | Firecracker | Node.js | Google Cloud Functions |
|---|---|---|---|---|---|
| Score | B72 | B71 | B70 | B-65 | C59 |
| Type | MicroVM | Language | MicroVM | Language | Serverless |
| Execution | hybrid | interpreted | aot | jit | hybrid |
| Interface | cli | cli | api | cli | platform |
| Cold Start | 50ms | 50ms | 125ms | 50ms | 300ms |
| Memory | 20MB | 15MB | 5MB | 40MB | 128MB |
| Startup | 30ms | 10ms | 100ms | 20ms | 50ms |
| Isolation | microvm | process | microvm | process | container |
| Maturity | stable | production | production | production | production |
| Languages | Any | Python | Any | JavaScript, TypeScript | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Apache-2.0 | Other | Apache-2.0 | MIT | Proprietary |
| Links |