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| Metric | Metal | Firecracker | vLLM |
|---|---|---|---|
| Score | B74 | B70 | F35 |
| Type | MicroVM | ||
| Execution | aot | aot | jit |
| Interface | sdk | api | api |
| Cold Start | 50ms | 125ms | 5000ms |
| Memory | 100MB | 5MB | 2000MB |
| Startup | 20ms | 100ms | 3000ms |
| Isolation | hardware | microvm | process |
| Maturity | production | production | production |
| Languages | Swift, Objective-C, C++ | Any | Python |
| License | Proprietary | Apache-2.0 | Apache-2.0 |
| Links |