Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | Python (CPython) | CUDA Runtime | Node.js | Google Cloud Functions |
|---|---|---|---|---|---|
| Score | A88 | B71 | B-65 | B-65 | C59 |
| Type | WebAssembly | Language | Language | Serverless | |
| Execution | aot | interpreted | aot | jit | hybrid |
| Interface | cli | cli | sdk | cli | platform |
| Cold Start | 1ms | 50ms | 100ms | 50ms | 300ms |
| Memory | 5MB | 15MB | 500MB | 40MB | 128MB |
| Startup | <1ms | 10ms | 50ms | 20ms | 50ms |
| Isolation | process | process | hardware | process | container |
| Maturity | production | production | production | production | production |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | Python | C, C++, Python | JavaScript, TypeScript | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Apache-2.0 | Other | Proprietary | MIT | Proprietary |
| Links |