CMMI is a capability improvement framework that provides organizations with the essential elements of effective processes that ultimately improve their performance.

An appraisal at maturity level 5 indicates that the organization is performing at an “optimizing” level. At this level, an organization continually improves its processes based on a quantitative understanding of its business objectives and performance needs. The organization uses a quantitative approach to understand the variation inherent in the process and the causes of process outcomes.