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| Metric | Wasmer | Bun | Google Cloud Functions |
|---|---|---|---|
| Score | A-83 | B+76 | C59 |
| Type | WebAssembly | Language | Serverless |
| Execution | hybrid | jit | hybrid |
| Interface | cli | cli | platform |
| Cold Start | 2ms | 3ms | 300ms |
| Memory | 8MB | 25MB | 128MB |
| Startup | 1ms | 1ms | 50ms |
| Isolation | process | process | container |
| Maturity | stable | stable | production |
| Languages | Rust, C, C++, Go, Python, Ruby, PHP | JavaScript, TypeScript, JSX, TSX | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | MIT | MIT | Proprietary |
| Links |