Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Bun | Cloudflare Workers | Google Cloud Functions |
|---|---|---|---|
| Score | B+76 | B+75 | C59 |
| Type | Language | Edge | Serverless |
| Execution | jit | jit | hybrid |
| Interface | cli | platform | platform |
| Cold Start | 3ms | <1ms | 300ms |
| Memory | 25MB | 128MB | 128MB |
| Startup | 1ms | <1ms | 50ms |
| Isolation | process | process | container |
| Maturity | stable | production | production |
| Languages | JavaScript, TypeScript, JSX, TSX | JavaScript, TypeScript, Rust, C, C++ | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | MIT | Proprietary | Proprietary |
| Links |