Custom reward functions for multi-turn reinforcement learning with Amazon Nova Forge

AWS Machine LearningAugust 14, 2026en

AWS Machine Learning

AI Global Wire

In multi-turn reinforcement learning, your custom reward function decides what the model actually learns. This post shows how to design a composite multi-turn reward for Amazon Nova Forge, execute model-generated code safely inside it, and instrument each component to catch the pitfalls that quietly collapse a reward.

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