GPT is OpenAI's general frontier model family and one of the most influential lines in model productization and developer ecosystems. It spans text generation, knowledge work, coding assistance, tool use, image understanding, voice interaction, and real-time assistants, making it a foundation layer for many general AI applications.

For general readers, GPT can be understood as an evolving general intelligence interface: it answers questions, connects to tools, handles files, assists with code, and increasingly enters productivity, search, education, content creation, and business automation. Following GPT helps explain how AI is moving from chat windows into real workflows.