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| Metric | Cloudflare Workers | gVisor | Python (CPython) | containerd | AWS Lambda |
|---|---|---|---|---|---|
| Score | B+75 | B72 | B71 | B-66 | B-65 |
| Type | Edge | MicroVM | Language | Container | Serverless |
| Execution | jit | hybrid | interpreted | hybrid | hybrid |
| Interface | platform | cli | cli | platform | platform |
| Cold Start | <1ms | 50ms | 50ms | 100ms | 200ms |
| Memory | 128MB | 20MB | 15MB | 20MB | 128MB |
| Startup | <1ms | 30ms | 10ms | 20ms | 100ms |
| Isolation | process | microvm | process | container | microvm |
| Maturity | production | stable | production | production | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | Python | Any | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust |
| License | Proprietary | Apache-2.0 | Other | Apache-2.0 | Proprietary |
| Links |