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| Metric | Cloudflare Workers | gVisor | Deno |
|---|---|---|---|
| Score | B+75 | B72 | C+64 |
| Type | Edge | MicroVM | Language |
| Execution | jit | hybrid | jit |
| Interface | platform | cli | cli |
| Cold Start | <1ms | 50ms | 20ms |
| Memory | 128MB | 20MB | 35MB |
| Startup | <1ms | 30ms | 15ms |
| Isolation | process | microvm | process |
| Maturity | production | stable | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | JavaScript, TypeScript, WebAssembly |
| License | Proprietary | Apache-2.0 | MIT |
| Links |