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Reinforcement fine-tuning for Amazon Nova: Teaching AI through feedback

  • Bharathan Balaji--Amazon.com
  • published date: 2026-02-26 17:48:37 UTC

In this post, we explore reinforcement fine-tuning (RFT) for Amazon Nova models, which can be a powerful customization technique that learns through evaluation rather than imitation. We'll cover how RFT works, when to use it versus supervised fine-tuning, rea…

Foundation models deliver impressive out-of-the-box performance for general tasks, but many organizations need models to consume their business knowledge. Model customization helps you bridge the gap… [+29632 chars]