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| Metric | Cloudflare Workers | Deno | Google Cloud Functions |
|---|---|---|---|
| Score | B+75 | C+64 | C59 |
| Type | Edge | Language | Serverless |
| Execution | jit | jit | hybrid |
| Interface | platform | cli | platform |
| Cold Start | <1ms | 20ms | 300ms |
| Memory | 128MB | 35MB | 128MB |
| Startup | <1ms | 15ms | 50ms |
| Isolation | process | process | container |
| Maturity | production | stable | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | JavaScript, TypeScript, WebAssembly | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Proprietary | MIT | Proprietary |
| Links |