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| Metric | Cloudflare Workers | gVisor | Python (CPython) | AWS Lambda | Docker |
|---|---|---|---|---|---|
| Score | B+75 | B72 | B71 | B-65 | C-54 |
| Type | Edge | MicroVM | Language | Serverless | Container |
| Execution | jit | hybrid | interpreted | hybrid | hybrid |
| Interface | platform | cli | cli | platform | cli |
| Cold Start | <1ms | 50ms | 50ms | 200ms | 500ms |
| Memory | 128MB | 20MB | 15MB | 128MB | 50MB |
| Startup | <1ms | 30ms | 10ms | 100ms | 200ms |
| Isolation | process | microvm | process | microvm | container |
| Maturity | production | stable | production | production | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | Any |
| License | Proprietary | Apache-2.0 | Other | Proprietary | Apache-2.0 |
| Links |