Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Python (CPython) | Firecracker | Node.js | llama.cpp | Open WebUI | KoboldCpp | Jan |
|---|---|---|---|---|---|---|---|
| Score | B71 | B70 | B-65 | C+63 | F41 | F38 | F34 |
| Type | Language | MicroVM | Language | ||||
| Execution | interpreted | aot | jit | aot | hybrid | hybrid | hybrid |
| Interface | cli | api | cli | cli | gui | gui | gui |
| Cold Start | 50ms | 125ms | 50ms | 100ms | 3000ms | 1500ms | 2000ms |
| Memory | 15MB | 5MB | 40MB | 50MB | 500MB | 400MB | 600MB |
| Startup | 10ms | 100ms | 20ms | 10ms | 1000ms | 300ms | 400ms |
| Isolation | process | microvm | process | process | container | process | process |
| Maturity | production | production | production | production | stable | stable | stable |
| Languages | Python | Any | JavaScript, TypeScript | C, C++ | Python, TypeScript | C++, Python | TypeScript, Python |
| License | Other | Apache-2.0 | MIT | MIT | MIT | AGPL-3.0 | AGPL-3.0 |
| Links |