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| Metric | Cloudflare Workers | Firecracker | Node.js | LLM (Python CLI) |
|---|---|---|---|---|
| Score | B+75 | B70 | B-65 | D49 |
| Type | Edge | MicroVM | Language | |
| Execution | jit | aot | jit | hybrid |
| Interface | platform | api | cli | cli |
| Cold Start | <1ms | 125ms | 50ms | 500ms |
| Memory | 128MB | 5MB | 40MB | 100MB |
| Startup | <1ms | 100ms | 20ms | 100ms |
| Isolation | process | microvm | process | process |
| Maturity | production | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | JavaScript, TypeScript | Python |
| License | Proprietary | Apache-2.0 | MIT | Apache-2.0 |
| Links |