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| Metric | Bun | Metal | Python (CPython) | AWS Lambda |
|---|---|---|---|---|
| Score | B+76 | B74 | B71 | B-65 |
| Type | Language | Language | Serverless | |
| Execution | jit | aot | interpreted | hybrid |
| Interface | cli | sdk | cli | platform |
| Cold Start | 3ms | 50ms | 50ms | 200ms |
| Memory | 25MB | 100MB | 15MB | 128MB |
| Startup | 1ms | 20ms | 10ms | 100ms |
| Isolation | process | hardware | process | microvm |
| Maturity | stable | production | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | Swift, Objective-C, C++ | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust |
| License | MIT | Proprietary | Other | Proprietary |
| Links |