Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Cloudflare Workers | Python (CPython) | containerd | Jan |
|---|---|---|---|---|
| Score | B+75 | B71 | B-66 | F34 |
| Type | Edge | Language | Container | |
| Execution | jit | interpreted | hybrid | hybrid |
| Interface | platform | cli | platform | gui |
| Cold Start | <1ms | 50ms | 100ms | 2000ms |
| Memory | 128MB | 15MB | 20MB | 600MB |
| Startup | <1ms | 10ms | 20ms | 400ms |
| Isolation | process | process | container | process |
| Maturity | production | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Python | Any | TypeScript, Python |
| License | Proprietary | Other | Apache-2.0 | AGPL-3.0 |
| Links |