Train Your LLMs Without GPU Headaches Using Amazon SageMaker

Amazon SageMaker training session APIs let you focus on writing your custom training loops (SFT, RL, or whatever you dream up) in plain Python while the service handles all the GPU infrastructure grunt work. The post walks you through real examples like GRPO on GSM8K and reinforcement learning for competitive programming, so you can skip the DevOps nightmare and get straight to the ML magic.