Few days back , the first stable version of PyPy3 was announced which targets the Python 3 (3.2.5) compatability .
What is PyPy3 ?
PyPy is a compliant Python interperter which is a kind of drop-in replacement for CPython 3.2.5 . It includes the integrated tracing JIT compiler.
Know more about PyPy3 from the PyPy3 HomePage