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| Metric | Firecracker | Fastly Compute | Azure Functions |
|---|---|---|---|
| Score | B70 | B-69 | C56 |
| Type | MicroVM | Edge | Serverless |
| Execution | aot | aot | hybrid |
| Interface | api | cli | platform |
| Cold Start | 125ms | 50ms | 800ms |
| Memory | 5MB | 128MB | 128MB |
| Startup | 100ms | 10ms | 100ms |
| Isolation | microvm | container | container |
| Maturity | production | production | production |
| Languages | Any | Rust, JavaScript, AssemblyScript, Go | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Links |