Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | Node.js | llama.cpp | Open WebUI |
|---|---|---|---|---|
| Score | A88 | B-65 | C+63 | F41 |
| Type | WebAssembly | Language | ||
| Execution | aot | jit | aot | hybrid |
| Interface | cli | cli | cli | gui |
| Cold Start | 1ms | 50ms | 100ms | 3000ms |
| Memory | 5MB | 40MB | 50MB | 500MB |
| Startup | <1ms | 20ms | 10ms | 1000ms |
| Isolation | process | process | process | container |
| Maturity | production | production | production | stable |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | JavaScript, TypeScript | C, C++ | Python, TypeScript |
| License | Apache-2.0 | MIT | MIT | MIT |
| Links |