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| Metric | Wasmtime | wazero | Jan |
|---|---|---|---|
| Score | A88 | A-81 | F34 |
| Type | WebAssembly | WebAssembly | |
| Execution | aot | jit | hybrid |
| Interface | cli | sdk | gui |
| Cold Start | 1ms | 1ms | 2000ms |
| Memory | 5MB | 5MB | 600MB |
| Startup | <1ms | <1ms | 400ms |
| Isolation | process | process | process |
| Maturity | production | stable | stable |
| Languages | Rust, C, C++, Go, Python, AssemblyScript | Go | TypeScript, Python |
| License | Apache-2.0 | Apache-2.0 | AGPL-3.0 |
| Links |