Replika is not a pre-programmed chatbot; instead, it comes up with responses based on its knowledge and comprehension of the user and the dialogue. Replika is trained using a sizable textual training set that contains a wide range of linguistic and conversational idioms. Replika can learn how to produce suitable replies to various input kinds using the training data. Replika is not a pre-written chatbot, though; it is not pre-programmed with certain responses to specific inputs. Replika intends to communicate with people in a natural, conversational way by applying the information and understanding it has gained from training data and user interactions. Replika may now respond to user inputs in a personalized and dynamic way rather than by following a predetermined script thanks to this.