GPT-4 is an advanced language model developed by OpenAI, representing a significant evolution in natural language processing. Building on the successes of its predecessors, GPT-4 can generate highly coherent, contextually aware, and human-like text across a wide range of topics. It is designed to understand and produce text that closely mimics human communication, making it useful for applications such as chatbots, content creation, and complex problem-solving. GPT-4 also includes improvements in accuracy, creativity, and the ability to handle more nuanced prompts, further expanding its potential use cases in both professional and creative fields.