In 2021, Comet experienced significant growth, tripling its team size, opening a new office in Tel Aviv, and raising over $60 million in funding, which fueled its expansion in the machine learning (ML) market. The company advanced its platform by introducing new features like Model Production Monitoring (MPM) and Comet Artifacts, enhancing its tools for experiment tracking, and improving its user interface with Python Panels for custom visualizations. Comet also invested in integrations and partnerships to enhance its versatility and supported the ML community through educational content, events, and sponsorships, such as its acquisition of the Heartbeat publication and sponsorship of Deep Learning Weekly. The company remains committed to being a leading AI development platform, offering its services free to community practitioners and academics, and looks forward to continued innovation and community engagement in 2022.