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| Metric | wazero | Firecracker | Deno |
|---|---|---|---|
| Score | A-81 | B70 | C+64 |
| Type | WebAssembly | MicroVM | Language |
| Execution | jit | aot | jit |
| Interface | sdk | api | cli |
| Cold Start | 1ms | 125ms | 20ms |
| Memory | 5MB | 5MB | 35MB |
| Startup | <1ms | 100ms | 15ms |
| Isolation | process | microvm | process |
| Maturity | stable | production | stable |
| Languages | Go | Any | JavaScript, TypeScript, WebAssembly |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Links |