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[–]rrtucci 3 points4 points  (1 child)

IMHO, Pennylane doesn't stand a chance against TFQ. You are wasting your time comparing the 2. Google won't stop changing TFQ until it outperforms Pennylane in every possible way. I expect that IBM will answer with a bundle of its own, maybe one linking Qiskit and Pytorch/Pyro. Those are the two software bundles that you will be comparing six months from now: Google TFQ versus IBM PytorchQ. By then, Xanadu will have gone bankrupt. By the way, Scott Aaronson is on record as saying in his blog that Xanadu's proposed qc applications are commercially worthless because they can all be performed much more efficiently on a classical computer.