https://platform.openai.com/docs/models/gpt-4

As an AI language model, I do not have access to the OpenAI platform documentation for GPT-4. However, I can provide some general information about GPT models.

GPT stands for "Generative Pre-trained Transformer". GPT models are a type of neural network that can generate human-like text by predicting the next word in a sequence. They are pre-trained on large amounts of text data and can then be fine-tuned for specific tasks such as language translation, text summarization, and question answering.

GPT-4 is a hypothetical model that has not been released yet. It is expected to be an improvement on the current state-of-the-art language model, GPT-3, which has 175 billion parameters and can generate coherent and convincing text in a variety of styles and domains. GPT-4 is expected to have even more parameters and capabilities, but specific details have not been released by OpenAI.