Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | Python (CPython) | Node.js | Google Cloud Functions | Docker |
|---|---|---|---|---|---|
| Score | A88 | B71 | B-65 | C59 | C-54 |
| Type | WebAssembly | Language | Language | Serverless | Container |
| Execution | aot | interpreted | jit | hybrid | hybrid |
| Interface | cli | cli | cli | platform | cli |
| Cold Start | 1ms | 50ms | 50ms | 300ms | 500ms |
| Memory | 5MB | 15MB | 40MB | 128MB | 50MB |
| Startup | <1ms | 10ms | 20ms | 50ms | 200ms |
| Isolation | process | process | process | container | container |
| Maturity | production | production | production | production | production |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | Python | JavaScript, TypeScript | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP | Any |
| License | Apache-2.0 | Other | MIT | Proprietary | Apache-2.0 |
| Links |