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| Metric | Bun | Metal | vLLM |
|---|---|---|---|
| Score | B+76 | B74 | F35 |
| Type | Language | ||
| Execution | jit | aot | jit |
| Interface | cli | sdk | api |
| Cold Start | 3ms | 50ms | 5000ms |
| Memory | 25MB | 100MB | 2000MB |
| Startup | 1ms | 20ms | 3000ms |
| Isolation | process | hardware | process |
| Maturity | stable | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | Swift, Objective-C, C++ | Python |
| License | MIT | Proprietary | Apache-2.0 |
| Links |