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| Metric | wazero | Firecracker | Azure Functions |
|---|---|---|---|
| Score | A-81 | B70 | C56 |
| Type | WebAssembly | MicroVM | Serverless |
| Execution | jit | aot | hybrid |
| Interface | sdk | api | platform |
| Cold Start | 1ms | 125ms | 800ms |
| Memory | 5MB | 5MB | 128MB |
| Startup | <1ms | 100ms | 100ms |
| Isolation | process | microvm | container |
| Maturity | stable | production | production |
| Languages | Go | Any | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Links |