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| Metric | Bun | gVisor | Python (CPython) | Open WebUI |
|---|---|---|---|---|
| Score | B+76 | B72 | B71 | F41 |
| Type | Language | MicroVM | Language | |
| Execution | jit | hybrid | interpreted | hybrid |
| Interface | cli | cli | cli | gui |
| Cold Start | 3ms | 50ms | 50ms | 3000ms |
| Memory | 25MB | 20MB | 15MB | 500MB |
| Startup | 1ms | 30ms | 10ms | 1000ms |
| Isolation | process | microvm | process | container |
| Maturity | stable | stable | production | stable |
| Languages | JavaScript, TypeScript, JSX, TSX | Any | Python | Python, TypeScript |
| License | MIT | Apache-2.0 | Other | MIT |
| Links |