As of my knowledge cutoff in September 2021, OpenAI has not yet released a Chatbot model named GPT-4.
However, OpenAI has been working on developing more advanced natural language processing (NLP) models that could potentially be used in future versions of their chatbots, such as GPT-3. These models use deep learning techniques to analyze and generate human-like language, allowing them to perform a variety of language-related tasks, including text generation, translation, and sentiment analysis.
OpenAI has not yet provided specific details about the development of GPT-4 or when it might be released. However, it is likely that GPT-4 will continue to build upon the successes of previous GPT models, incorporating advanced techniques in NLP, machine learning, and deep learning to improve the accuracy and fluency of the chatbot’s responses. When and if it is released, GPT-4 has the potential to be a significant breakthrough in natural language processing, revolutionizing the way humans interact with machines.