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| Metric | Cloudflare Workers | containerd | Google Cloud Functions |
|---|---|---|---|
| Score | B+75 | B-66 | C59 |
| Type | Edge | Container | Serverless |
| Execution | jit | hybrid | hybrid |
| Interface | platform | platform | platform |
| Cold Start | <1ms | 100ms | 300ms |
| Memory | 128MB | 20MB | 128MB |
| Startup | <1ms | 20ms | 50ms |
| Isolation | process | container | container |
| Maturity | production | production | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Proprietary | Apache-2.0 | Proprietary |
| Links |