The team summarizes the proposed DeepSpeed-Chat with the following three capabilities : Easy-to-use Training and Inference Experience for ChatGPT Like Models. DeepSpeed-RLHF Pipeline that replicates the training pipeline from the InstructGPT paper with careful attention to ensure completeness and one-to-one correspondence. DeepSpeed-RLHF System that combines the training and inference prowess of DeepSpeed into single unified Hybrid Engine (DeepSpeedHE) for