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| Metric | Metal | Vercel Edge Functions | Azure Functions |
|---|---|---|---|
| Score | B74 | B71 | C56 |
| Type | Edge | Serverless | |
| Execution | aot | jit | hybrid |
| Interface | sdk | platform | platform |
| Cold Start | 50ms | 10ms | 800ms |
| Memory | 100MB | 128MB | 128MB |
| Startup | 20ms | 1ms | 100ms |
| Isolation | hardware | process | container |
| Maturity | production | stable | production |
| Languages | Swift, Objective-C, C++ | JavaScript, TypeScript, WebAssembly | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go |
| License | Proprietary | Proprietary | MIT |
| Links |