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Reinforcement fine-tuning on Amazon Bedrock: best practices

  • Nick McCarthy--Amazon.com
  • published date: 2026-04-08 19:43:28 UTC

In this post, we explore where RFT is most effective, using the GSM8K mathematical reasoning dataset as a concrete example. We then walk through best practices for dataset preparation and reward function design, show how to monitor training progress using Ama…

You can use reinforcement Fine-Tuning (RFT) in Amazon Bedrock to customize Amazon Nova and supported open source models by defining what good looks likeno large labeled datasets required. By learning… [+29097 chars]