How ChatGPT is trained with examples?

ChatGPT's training begins with a vast amount of text from the internet, allowing it to learn general language patterns and knowledge during pre-training. However, its ability to engage in conversational and helpful dialogue is primarily developed through fine-tuning with examples using Reinforcement Learning from Human Feedback (RLHF). Initially, human AI trainers provide demonstration examples, crafting both prompts and ideal responses, which is known as supervised fine-tuning. Following this, a crucial step involves generating multiple responses for various prompts using the fine-tuned model. Human annotators then rank these responses based on quality and helpfulness, creating a dataset of preference examples. This preference data is used to train a reward model, which learns to predict human preferences. Finally, this reward model guides the primary ChatGPT model to generate increasingly better responses through an algorithm like Proximal Policy Optimization (PPO, essentially learning from the implicit feedback embedded in the human rankings. More details: https://www.wihomes.com/property/DeepLink.asp?url=https://4mama.com.ua/