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| Metric | Cloudflare Workers | Node.js | Kata Containers |
|---|---|---|---|
| Score | B+75 | B-65 | C+63 |
| Type | Edge | Language | MicroVM |
| Execution | jit | jit | aot |
| Interface | platform | cli | platform |
| Cold Start | <1ms | 50ms | 150ms |
| Memory | 128MB | 40MB | 100MB |
| Startup | <1ms | 20ms | 50ms |
| Isolation | process | process | microvm |
| Maturity | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | JavaScript, TypeScript | Any |
| License | Proprietary | MIT | Apache-2.0 |
| Links |