OpenAI, the artificial intelligence research laboratory, has launched ChatGPT-4, an upgraded version of its popular chatbot. ChatGPT-4 is reportedly more powerful, private, and able to handle longer conversations than its predecessor. The chatbot uses a larger model and improved training techniques, allowing it to generate more nuanced and detailed responses. OpenAI also introduced a new feature called Instruct-1, a more precise way to guide the chatbot's responses, and a new interface for easier interaction with the AI.
This article discusses the process of training a large language model (LLM) using reinforcement learning from human feedback (RLHF) and a new alternative method called Direct Preference Optimization (DPO). The article explains how these methods help align the LLM with human expectations and make it more efficient.
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