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| Metric | Metal | Candle | Open WebUI |
|---|---|---|---|
| Score | B74 | D48 | F41 |
| Type | |||
| Execution | aot | jit | hybrid |
| Interface | sdk | sdk | gui |
| Cold Start | 50ms | 300ms | 3000ms |
| Memory | 100MB | 200MB | 500MB |
| Startup | 20ms | 50ms | 1000ms |
| Isolation | hardware | process | container |
| Maturity | production | stable | stable |
| Languages | Swift, Objective-C, C++ | Rust | Python, TypeScript |
| License | Proprietary | Apache-2.0 | MIT |
| Links |