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![]() ![]() In the case of supervised learning, the model was provided with conversations in which the trainers played both sides: the user and the AI assistant. Both approaches used human trainers to improve the model's performance. The fine-tuning process leveraged both supervised learning as well as reinforcement learning in a process called reinforcement learning from human feedback (RLHF). It was fine-tuned (an approach to transfer learning ) over an improved version of OpenAI's GPT-3 known as "GPT 3.5". GPT-4, the newest OpenAI model, was released on March 14, 2023, and is available for ChatGPT Plus users.ĬhatGPT is a member of the generative pre-trained transformer (GPT) family of language models. Following the release of ChatGPT, OpenAI's valuation was estimated at US$29 billion in 2023. Its uneven factual accuracy, however, has been identified as a significant drawback. It is built on top of OpenAI's GPT-3 family of large language models and has been fine-tuned (an approach to transfer learning) using both supervised and reinforcement learning techniques.ĬhatGPT was launched as a prototype on November 30, 2022, and quickly garnered attention for its detailed responses and articulate answers across many domains of knowledge. ![]() ChatGPT is an artificial intelligence chatbot developed by OpenAI and launched in November 2022.
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