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| Metric | Wasmtime | V8 | Python (CPython) | Firecracker | AWS Lambda | Node.js | Docker |
|---|---|---|---|---|---|---|---|
| Score | A88 | B74 | B71 | B70 | B-65 | B-65 | C-54 |
| Type | WebAssembly | Language | Language | MicroVM | Serverless | Language | Container |
| Execution | aot | jit | interpreted | aot | hybrid | jit | hybrid |
| Interface | cli | embedded | cli | api | platform | cli | cli |
| Cold Start | 1ms | 5ms | 50ms | 125ms | 200ms | 50ms | 500ms |
| Memory | 5MB | 30MB | 15MB | 5MB | 128MB | 40MB | 50MB |
| Startup | <1ms | 2ms | 10ms | 100ms | 100ms | 20ms | 200ms |
| Isolation | process | process | process | microvm | microvm | process | container |
| Maturity | production | production | production | production | production | production | production |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | JavaScript, TypeScript, WebAssembly | Python | Any | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | JavaScript, TypeScript | Any |
| License | Apache-2.0 | BSD-3-Clause | Other | Apache-2.0 | Proprietary | MIT | Apache-2.0 |
| Links |