SageMaker adds serverless tuning for Nvidia Nemotron 3.5 Lightning

Published Thursday, September 17, 2026 · 1:16 AM EDT

Amazon SageMaker AI added serverless customization for Nvidia's Nemotron 3.5 Lightning using supervised fine-tuning, direct preference optimization and reinforcement fine-tuning. AWS said the service provisions training infrastructure and charges for use, enabling customers to adapt the open-weight model with proprietary data. The capability is available in US East, US West, Tokyo and Ireland through SageMaker Studio or the SageMaker Python SDK.

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