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| Metric | Metal | Vercel Edge Functions | Firecracker |
|---|---|---|---|
| Score | B74 | B71 | B70 |
| Type | Edge | MicroVM | |
| Execution | aot | jit | aot |
| Interface | sdk | platform | api |
| Cold Start | 50ms | 10ms | 125ms |
| Memory | 100MB | 128MB | 5MB |
| Startup | 20ms | 1ms | 100ms |
| Isolation | hardware | process | microvm |
| Maturity | production | stable | production |
| Languages | Swift, Objective-C, C++ | JavaScript, TypeScript, WebAssembly | Any |
| License | Proprietary | Proprietary | Apache-2.0 |
| Links |