They are running on the commercial version of GraalVM. There is a giant technological gap between Python and Truffle (the framework behind Python on GraalVM CPy

They are running on the commercial version of GraalVM. There is a giant technological gap between Python and Truffle (the framework behind Python on GraalVM CPython is a primitive interpreter while the other is a generating a hybrid JIT interpreter for both Python and CPython C extensions using Futamura projections.