Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | Bun | Python (CPython) | AWS Lambda | Node.js | ROCm |
|---|---|---|---|---|---|---|
| Score | A88 | B+76 | B71 | B-65 | B-65 | C56 |
| Type | WebAssembly | Language | Language | Serverless | Language | |
| Execution | aot | jit | interpreted | hybrid | jit | aot |
| Interface | cli | cli | cli | platform | cli | sdk |
| Cold Start | 1ms | 3ms | 50ms | 200ms | 50ms | 200ms |
| Memory | 5MB | 25MB | 15MB | 128MB | 40MB | 600MB |
| Startup | <1ms | 1ms | 10ms | 100ms | 20ms | 100ms |
| Isolation | process | process | process | microvm | process | hardware |
| Maturity | production | stable | production | production | production | stable |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | JavaScript, TypeScript, JSX, TSX | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript | C, C++, Python |
| License | Apache-2.0 | MIT | Other | Proprietary | MIT | MIT |
| Links |