Select runtimes to compare side by side. Click chips below to toggle selection.
| Metric | Wasmtime | Cloudflare Workers | Azure Functions |
|---|---|---|---|
| Score | A88 | B+75 | C56 |
| Type | WebAssembly | Edge | Serverless |
| Execution | aot | jit | hybrid |
| Interface | cli | platform | platform |
| Cold Start | 1ms | <1ms | 800ms |
| Memory | 5MB | 128MB | 128MB |
| Startup | <1ms | <1ms | 100ms |
| Isolation | process | process | container |
| Maturity | production | production | production |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | JavaScript, TypeScript, Rust, C, C++ | JavaScript, TypeScript, Python, Java, C#, PowerShell, Go |
| License | Apache-2.0 | Proprietary | MIT |
| Links |