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| Metric | Cloudflare Workers | Python (CPython) | Kata Containers | Docker |
|---|---|---|---|---|
| Score | B+75 | B71 | C+63 | C-54 |
| Type | Edge | Language | MicroVM | Container |
| Execution | jit | interpreted | aot | hybrid |
| Interface | platform | cli | platform | cli |
| Cold Start | <1ms | 50ms | 150ms | 500ms |
| Memory | 128MB | 15MB | 100MB | 50MB |
| Startup | <1ms | 10ms | 50ms | 200ms |
| Isolation | process | process | microvm | container |
| Maturity | production | production | stable | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Python | Any | Any |
| License | Proprietary | Other | Apache-2.0 | Apache-2.0 |
| Links |