With cpython I can run a script with a visible console window by:
python.exe script.py
or without a visible console window by:
pythonw.exe script.py
With Pypy I can run a script with a visible console window by:
pypy.exe script.py
How can I run a script in Pypy without a visible console window?
Indeed. Reported as https://bugs.pypy.org/issue1651.
For now you can make pypyw.exe manually with a hex editor following the trick described e.g. here: Difference between Windows and Console application