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| Metric | gVisor | Google Cloud Functions | Azure Functions |
|---|---|---|---|
| Score | B72 | C59 | C56 |
| Type | MicroVM | Serverless | Serverless |
| Execution | hybrid | hybrid | hybrid |
| Interface | cli | platform | platform |
| Cold Start | 50ms | 300ms | 800ms |
| Memory | 20MB | 128MB | 128MB |
| Startup | 30ms | 50ms | 100ms |
| Isolation | microvm | container | container |
| Maturity | stable | production | production |
| Languages | Any | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go |
| License | Apache-2.0 | Proprietary | MIT |
| Links |