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| Metric | Metal | Firecracker | Deno |
|---|---|---|---|
| Score | B74 | B70 | C+64 |
| Type | MicroVM | Language | |
| Execution | aot | aot | jit |
| Interface | sdk | api | cli |
| Cold Start | 50ms | 125ms | 20ms |
| Memory | 100MB | 5MB | 35MB |
| Startup | 20ms | 100ms | 15ms |
| Isolation | hardware | microvm | process |
| Maturity | production | production | stable |
| Languages | Swift, Objective-C, C++ | Any | JavaScript, TypeScript, WebAssembly |
| License | Proprietary | Apache-2.0 | MIT |
| Links |