Baseten Training, now generally available, addresses key challenges in AI model training by providing a flexible, developer-friendly infrastructure that eliminates the complexities of managing compute resources, pricing, and operational control. This platform allows developers to train any AI model on any dataset effortlessly, offering tools like caching, checkpointing, and deployment options that enhance performance and reduce costs, demonstrated by OpenEvidence's reported 23x speed improvement and significant cost savings. The platform supports a wide range of training jobs, from small finetunes to large-scale reinforcement learning projects, and integrates seamlessly into existing workflows, allowing developers to focus on model training rather than infrastructure management. Baseten Training's enhancements since its beta launch include a collection of open-source recipes, improved UI, and more robust logging and observability features, enabling users to efficiently manage training projects and deploy models with ease.