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| Metric | Vercel Edge Functions | Firecracker | Google Cloud Functions |
|---|---|---|---|
| Score | B71 | B70 | C59 |
| Type | Edge | MicroVM | Serverless |
| Execution | jit | aot | hybrid |
| Interface | platform | api | platform |
| Cold Start | 10ms | 125ms | 300ms |
| Memory | 128MB | 5MB | 128MB |
| Startup | 1ms | 100ms | 50ms |
| Isolation | process | microvm | container |
| Maturity | stable | production | production |
| Languages | JavaScript, TypeScript, WebAssembly | Any | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Proprietary | Apache-2.0 | Proprietary |
| Links |