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| Metric | Cloudflare Workers | containerd | Open WebUI |
|---|---|---|---|
| Score | B+75 | B-66 | F41 |
| Type | Edge | Container | |
| Execution | jit | hybrid | hybrid |
| Interface | platform | platform | gui |
| Cold Start | <1ms | 100ms | 3000ms |
| Memory | 128MB | 20MB | 500MB |
| Startup | <1ms | 20ms | 1000ms |
| Isolation | process | container | container |
| Maturity | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | Python, TypeScript |
| License | Proprietary | Apache-2.0 | MIT |
| Links |