Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Cloudflare Workers | gVisor | Python (CPython) | AWS Lambda | Node.js | Google Cloud Functions |
|---|---|---|---|---|---|---|
| Score | B+75 | B72 | B71 | B-65 | B-65 | C59 |
| Type | Edge | MicroVM | Language | Serverless | Language | Serverless |
| Execution | jit | hybrid | interpreted | hybrid | jit | hybrid |
| Interface | platform | cli | cli | platform | cli | platform |
| Cold Start | <1ms | 50ms | 50ms | 200ms | 50ms | 300ms |
| Memory | 128MB | 20MB | 15MB | 128MB | 40MB | 128MB |
| Startup | <1ms | 30ms | 10ms | 100ms | 20ms | 50ms |
| Isolation | process | microvm | process | microvm | process | container |
| Maturity | production | stable | production | production | production | production |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Any | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Proprietary | Apache-2.0 | Other | Proprietary | MIT | Proprietary |
| Links |