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| Metric | Cloudflare Workers | Python (CPython) | AWS Lambda | Kata Containers |
|---|---|---|---|---|
| Score | B+75 | B71 | B-65 | C+63 |
| Type | Edge | Language | Serverless | MicroVM |
| Execution | jit | interpreted | hybrid | aot |
| Interface | platform | cli | platform | platform |
| Cold Start | <1ms | 50ms | 200ms | 150ms |
| Memory | 128MB | 15MB | 128MB | 100MB |
| Startup | <1ms | 10ms | 100ms | 50ms |
| Isolation | process | process | microvm | microvm |
| Maturity | production | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | Any |
| License | Proprietary | Other | Proprietary | Apache-2.0 |
| Links |