It's using either an RNN/GRU/LSTM: realized this after posting; one of the parameters for the models being trained is the kind of model, and it picked randomly

It's using either an RNN/GRU/LSTM: realized this after posting; one of the parameters for the models being trained is the kind of model, and it picked randomly between an RNN, GRU, and LSTM. Not sure what the five models picked at the end ended up being.