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Fine-tune a search agent with multi-turn RL on Amazon SageMaker AI

2 October 2026 · 1 min read · Summary from AWS Machine Learning

Fine-tuning teaches a small search agent your tools and environment, giving it the reliability of a frontier model at lower latency and cost. In this post, we fine-tune an LLM-powered search agent with multi-turn reinforcement learning (MTRL) on Amazon SageMaker AI and share the gains we measured in retrieval quality and reliability.