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| Metric | Bun | Azure Functions | vLLM |
|---|---|---|---|
| Score | B+76 | C56 | F35 |
| Type | Language | Serverless | |
| Execution | jit | hybrid | jit |
| Interface | cli | platform | api |
| Cold Start | 3ms | 800ms | 5000ms |
| Memory | 25MB | 128MB | 2000MB |
| Startup | 1ms | 100ms | 3000ms |
| Isolation | process | container | process |
| Maturity | stable | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go | Python |
| License | MIT | MIT | Apache-2.0 |
| Links |