1. A system comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, configure the one or more processors to perform operations comprising: receiving an input value; applying a first level of complexity of a machine learning model to the input value; determining whether the first level of complexity is able to classify the input value; and if the first level of complexity is not able to classify the input value, applying a second level of complexity of the machine learning model to the input value, wherein the second level of complexity is more complex than the first level of complexity.