Fine-tune NVIDIA Nemotron 3 models with Amazon SageMaker AI serverless model customization

Amazon SageMaker AI now supports serverless fine-tuning of NVIDIA Nemotron 3 large language models, enabling enterprises to customize these open-weight models to their specific domains without managing infrastructure. The Nemotron 3 models feature a hybrid architecture optimized for long context lengths, and fine-tuning methods include supervised and reinforcement learning techniques. This development allows organizations to create proprietary AI assets tailored to their workflows while reducing