GPT stands for Generative Pre-trained Transformer. It is a type of advanced artificial intelligence model developed by OpenAI. GPT models are designed to generate human-like text by understanding and processing natural language input. They are trained on massive amounts of text data from the internet and other sources, enabling them to produce coherent and contextually relevant responses across a wide range of topics. The "Generative" aspect means GPT can create original text; "Pre-trained" refers to the initial training on large datasets before fine-tuning for specific tasks; and "Transformer" is the neural network architecture that allows the model to understand context by analyzing the relationships between words in a text simultaneously. GPT models are used in various applications such as chatbots (like ChatGPT), content generation, language translation, summarization, coding assistance, and more. They have significantly advanced AI's ability to interact with humans naturally and efficiently. In essence, GPT is a powerful AI technology that excels in language comprehension and generation, helping automate and enhance many language-based tasks in fields like marketing, customer service, education, and software development. However, GPT can sometimes generate inaccurate or biased outputs, so human oversight is important in many applications. This technology is a key breakthrough in AI, driven by its deep learning capabilities and transformer architecture, setting a new standard for natural language processing and generation.