Launch · Friday 23 October 2026 · story 3
SageMaker AI adds training session APIs for custom loops
AWS reports that SageMaker AI added training session APIs for custom training loops while the service handles GPU infrastructure. AWS says users can drive live, GPU-backed sessions from local Python code and are billed per token processed.
Why it matters. This lets teams run custom RL, SFT, or preference optimization loops from Python code without managing GPUs, with costs tied to tokens processed.
Read the original at aws.amazon.com