10x slower seems unlikely - if in python you’re using the same rust serde library for your json parsing or whatever, E.g. you “poetry add orjson” to pull rusts

10x slower seems unlikely - if in python you’re using the same rust serde library for your json parsing or whatever, E.g. you “poetry add orjson” to pull rusts serde lib into your python project, then the actual serde operations themselves will be native rust speed.