Runtimes
Available WASM language runtimes
Kumar Anirudha
| Language | Version | Size | Status |
|---|---|---|---|
| Go | 1.23 | 261 KB | ✅ Available |
| Rust | 1.82 | 76 KB | ✅ Available |
| Node.js | 20 | ~1.1 MB | 🚧 Alpha |
| swc | 73 | ~2.4 MB | 🚧 Alpha |
| Python | — | — | Coming soon |
| Ruby | — | — | Coming soon |
| PHP | — | — | Coming soon |
All shipped runtimes target WASI Preview 1 (wasip1). swc is a tool artifact (a TypeScript → JavaScript transpiler) rather than a language runtime.