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| Metric | Cloudflare Workers | AWS Lambda | Node.js | Deno |
|---|---|---|---|---|
| Score | B+75 | B-65 | B-65 | C+64 |
| Type | Edge | Serverless | Language | Language |
| Execution | jit | hybrid | jit | jit |
| Interface | platform | platform | cli | cli |
| Cold Start | <1ms | 200ms | 50ms | 20ms |
| Memory | 128MB | 128MB | 40MB | 35MB |
| Startup | <1ms | 100ms | 20ms | 15ms |
| Isolation | process | microvm | process | process |
| Maturity | production | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript | JavaScript, TypeScript, WebAssembly |
| License | Proprietary | Proprietary | MIT | MIT |
| Links |