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An AI developer platform for experiment tracking, model training/fine-tuning, model management, and GenAI evaluation.

An AI developer platform for experiment tracking, model training/fine-tuning, model management, and GenAI evaluation.
Weights & Biases (W&B) is an AI developer platform that helps teams track experiments, train and fine-tune models, manage model lifecycle from experimentation to production, and evaluate GenAI applications driven by large language models. It integrates with common ML frameworks via a lightweight Python SDK to log metrics, artifacts, media, and metadata; provides dashboards, reports and visualizations for comparing runs; and supports collaboration and reproducibility through project pages, artifacts and versioning. W&B also supports on-premise installation (self-hosted server) or cloud-hosted usage for production deployments and team management.

