With gzip they're almost the same size https://github.com/maniartech/InternetObject-vs-JSON-benchmark/tree/master/data https://github.com/maniartech/InternetOb

With gzip they're almost the same size https://github.com/maniartech/InternetObject-vs-JSON-benchmark/tree/master/data https://github.com/maniartech/InternetObject-vs-JSON-benchma... IO: Original size: 51348 bytes / Compressed size: 20021 bytes JSON: Original size: 89873 bytes / Compressed size: 22529 bytes