[sercand]

Neural Engines may be used in CoreML models. I don't know it can be used with Apple's BNNS library [1]. You can use with TensorFlow Lite with coreML delegate as well [2]. And some tried to reverse engineer it and used it for model training [3].

[1] https://developer.apple.com/documentation/accelerate/bnns

[2] https://www.tensorflow.org/lite/performance/coreml_delegate

[3] https://github.com/geohot/tinygrad#ane-support-broken