A transient model of an induction machine is developed in this work using an artificial neural network surrogate model. The model is suitable to be used for direct-on-line induction machines. Finite element based model of induction machine is used to generate the training, validation, and testing datasets. Different inputs and model configurations are investigated to find an optimal solution in developing the transient model. The proposed transient model is suitable to be used in digital twin services, since it can estimate the current and torque accurately in real time based on only voltage and measured shaft speed.