Model Training dataset (WER %) Validation dataset (WER %) Testing dataset (WER %)
LSTM 28.30 31.76 32.82
LSTM bias 1 38.40 41.82 42.84
BLSTM 19.92 25.07 26.26
GRU 29.95 33.63 34.42
Simple RNN 94.34 94.05 94.31
BLSTM-RNN 8.92 11.46 13.07