Chat GPT is an artificial intelligence program that generates dialogue. Created by Open AI, this high-capable chatbot uses machine learning algorithms to process and analyze large amounts of data to generate responses to user inquiries. Chat with ChatGPT for free online. No registration required. Powered by OpenAI GPT-4o. Do more on your PC with ChatGPT: · Instant answers—Use the [Alt + Space] keyboard shortcut for faster access to ChatGPT · Chat with your computer—Use Advanced Voice to chat with your computer in real-time and get hands-free advice and answers while you work. We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, challenge incorrect premises, and reject inappropriate requests. ChatGPT is your AI chatbot for everyday use. Chat with the most advanced AI to explore ideas, solve problems, and learn faster. ChatGPT is a generative artificial intelligence chatbot developed by OpenAI. Originally released in November 2022, the product uses large language models —specifically generative pre-trained transformers (GPTs)—to generate text, speech, and images in response to user prompts. OpenAI’s GPT-o4-mini-high is one of the latest AI models shaking up the ChatGPT ecosystem. Introduced in April 2025 as part of OpenAI’s new “o-series” reasoning models, GPT-o4-mini-high is designed to “think longer” and tackle complex tasks with advanced reasoning.