Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Cloudflare Workers | gVisor | Python (CPython) | Node.js | Docker |
|---|---|---|---|---|---|
| Score | B+75 | B72 | B71 | B-65 | C-54 |
| Type | Edge | MicroVM | Language | Language | Container |
| Execution | jit | hybrid | interpreted | jit | hybrid |
| Interface | platform | cli | cli | cli | cli |
| Cold Start | <1ms | 50ms | 50ms | 50ms | 500ms |
| Memory | 128MB | 20MB | 15MB | 40MB | 50MB |
| Startup | <1ms | 30ms | 10ms | 20ms | 200ms |
| Isolation | process | microvm | process | process | container |
| Maturity | production | stable | production | production | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | Python | JavaScript, TypeScript | Any |
| License | Proprietary | Apache-2.0 | Other | MIT | Apache-2.0 |
| Links |