I'm not sure polyglot really matters for Deep Learning frameworks, for inference you can already export your model to a standard format like .onnx and have it r

I'm not sure polyglot really matters for Deep Learning frameworks, for inference you can already export your model to a standard format like .onnx and have it run on about about any runtime, mobile and web included. Sure you can't train your models in javascript with pytorch, but not sure you want to use any other language than python for that, since python already has all the ecosystem