In many-to-many architectures, we map a sequence of input of arbitrary length to a sequence of output of arbitrary length. This architecture has been used in various applications. Some of the popular applications of many-to-many architectures include language translation, conversational bots, and audio generation.

Let's suppose that we are converting a sentence from English to French. Consider our input sentence: What are you doing? It would be mapped to, Que faites vous as shown in the following figure: