Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Cloudflare Workers | Python (CPython) | AWS Lambda | Candle |
|---|---|---|---|---|
| Score | B+75 | B71 | B-65 | D48 |
| Type | Edge | Language | Serverless | |
| Execution | jit | interpreted | hybrid | jit |
| Interface | platform | cli | platform | sdk |
| Cold Start | <1ms | 50ms | 200ms | 300ms |
| Memory | 128MB | 15MB | 128MB | 200MB |
| Startup | <1ms | 10ms | 100ms | 50ms |
| Isolation | process | process | microvm | process |
| Maturity | production | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | Rust |
| License | Proprietary | Other | Proprietary | Apache-2.0 |
| Links |