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| Metric | Firecracker | Azure Functions | Jan |
|---|---|---|---|
| Score | B70 | C56 | F34 |
| Type | MicroVM | Serverless | |
| Execution | aot | hybrid | hybrid |
| Interface | api | platform | gui |
| Cold Start | 125ms | 800ms | 2000ms |
| Memory | 5MB | 128MB | 600MB |
| Startup | 100ms | 100ms | 400ms |
| Isolation | microvm | container | process |
| Maturity | production | production | stable |
| Languages | Any | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go | TypeScript, Python |
| License | Apache-2.0 | MIT | AGPL-3.0 |
| Links |