Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | V8 | Google Cloud Functions |
|---|---|---|---|
| Score | A88 | B74 | C59 |
| Type | WebAssembly | Language | Serverless |
| Execution | aot | jit | hybrid |
| Interface | cli | embedded | platform |
| Cold Start | 1ms | 5ms | 300ms |
| Memory | 5MB | 30MB | 128MB |
| Startup | <1ms | 2ms | 50ms |
| Isolation | process | process | container |
| Maturity | production | production | production |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | JavaScript, TypeScript, WebAssembly | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | Apache-2.0 | BSD-3-Clause | Proprietary |
| Links |