Comet

Comet (formerly Comet.ml) is a sophisticated MLOps platform designed to enhance the productivity of data scientists and machine learning engineers. As of 2026, Comet has solidified its position as a critical infrastructure layer for both traditional predictive modeling and modern Generative AI (LLM) workflows. Its architecture centers on a centralized 'Source of Truth' for machine learning experiments, enabling teams to automatically track code, hyperparameters, environment metrics, and model artifacts. The platform's technical core is its ability to ensure 100% reproducibility by capturing the entire execution context. Beyond experiment tracking, Comet provides an advanced Model Registry for lifecycle management, sophisticated data visualization panels (including 3D embeddings and confusion matrices), and a specialized suite for LLM observability called CometLLM. This sub-platform allows for prompt engineering versioning, chain-of-thought tracking, and performance evaluation. Positioned against competitors like Weights & Biases, Comet excels in enterprise-grade security, offering flexible deployment options including SaaS, VPC, and on-premises installations. Its 2026 market position focuses on bridging the gap between experimental R&D and operational reliability, with enhanced features for automated drift detection and real-time model monitoring in production environments.