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| Metric | Wasmtime | Python (CPython) | Vercel Edge Functions | Firecracker |
|---|---|---|---|---|
| Score | A88 | B71 | B71 | B70 |
| Type | WebAssembly | Language | Edge | MicroVM |
| Execution | aot | interpreted | jit | aot |
| Interface | cli | cli | platform | api |
| Cold Start | 1ms | 50ms | 10ms | 125ms |
| Memory | 5MB | 15MB | 128MB | 5MB |
| Startup | <1ms | 10ms | 1ms | 100ms |
| Isolation | process | process | process | microvm |
| Maturity | production | production | stable | production |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | Python | JavaScript, TypeScript, WebAssembly | Any |
| License | Apache-2.0 | Other | Proprietary | Apache-2.0 |
| Links |