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| Metric | Wasmer | Metal | Node.js |
|---|---|---|---|
| Score | A-83 | B74 | B-65 |
| Type | WebAssembly | Language | |
| Execution | hybrid | aot | jit |
| Interface | cli | sdk | cli |
| Cold Start | 2ms | 50ms | 50ms |
| Memory | 8MB | 100MB | 40MB |
| Startup | 1ms | 20ms | 20ms |
| Isolation | process | hardware | process |
| Maturity | stable | production | production |
| Languages | Rust, C, C++, Go, Python, Ruby, PHP | Swift, Objective-C, C++ | JavaScript, TypeScript |
| License | MIT | Proprietary | MIT |
| Links |