Kolena provides a machine learning testing platform that helps teams evaluate the behavior of their models. The platform enables users to identify and monitor failure modes, which gives insights to engineering teams, leadership, and customers about how well the models are performing. By highlighting performance gaps, Kolena plays an important role in the machine learning lifecycle, ensuring that models are thoroughly tested and validated. The company focuses on serving ML teams across different industries that need reliable testing solutions. Kolena operates on a subscription-based model, generating revenue through recurring fees from its clients. The main goal of Kolena is to improve the reliability and performance of machine learning models, which in turn supports better decision-making and enhances operational efficiency for its users.