Accelerate multimodal RL training with SkyRL on Amazon SageMaker HyperPod

SkyRL is an open-source reinforcement learning framework running on Amazon SageMaker HyperPod. Developers can use this walkthrough to post-train a Qwen3-VL-8B vision-language model using GRPO and host the resulting LoRA adapter for inference. The guide details building container images, launching Ray clusters from SageMaker Studio, and managing training jobs on scalable infrastructure.

Opening Kapyn…