Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | Python (CPython) | CUDA Runtime | AWS Lambda | Node.js | Open WebUI |
|---|---|---|---|---|---|---|
| Score | A88 | B71 | B-65 | B-65 | B-65 | F41 |
| Type | WebAssembly | Language | Serverless | Language | ||
| Execution | aot | interpreted | aot | hybrid | jit | hybrid |
| Interface | cli | cli | sdk | platform | cli | gui |
| Cold Start | 1ms | 50ms | 100ms | 200ms | 50ms | 3000ms |
| Memory | 5MB | 15MB | 500MB | 128MB | 40MB | 500MB |
| Startup | <1ms | 10ms | 50ms | 100ms | 20ms | 1000ms |
| Isolation | process | process | hardware | microvm | process | container |
| Maturity | production | production | production | production | production | stable |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | Python | C, C++, Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript | Python, TypeScript |
| License | Apache-2.0 | Other | Proprietary | Proprietary | MIT | MIT |
| Links |