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| Metric | Cloudflare Workers | Python (CPython) | Deno | Candle |
|---|---|---|---|---|
| Score | B+75 | B71 | C+64 | D48 |
| Type | Edge | Language | Language | |
| Execution | jit | interpreted | jit | jit |
| Interface | platform | cli | cli | sdk |
| Cold Start | <1ms | 50ms | 20ms | 300ms |
| Memory | 128MB | 15MB | 35MB | 200MB |
| Startup | <1ms | 10ms | 15ms | 50ms |
| Isolation | process | process | process | process |
| Maturity | production | production | stable | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Python | JavaScript, TypeScript, WebAssembly | Rust |
| License | Proprietary | Other | MIT | Apache-2.0 |
| Links |