ChatGPT is your AI chatbot for everyday use. Chat with the most advanced AI to explore ideas, solve problems, and learn faster.

Nov 30, 2022 · 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, …

Enter your message to start a chat. This could be a question, a statement, or any other text. Use ChatGPT online and without registration. Just provide the AI chatbot with any text prompt and get a …

ChatGPT is the free AI chatbot for everyone. Ask anything, learn, and explore new ideas with the world’s most advanced AI chat.

The official app by OpenAI Introducing ChatGPT for Android: OpenAI’s latest advancements at your fingertips. This official app is free, syncs your history across devices, and brings you the latest from …

What can I help with? We believe our research will eventually lead to artificial general intelligence, a system that can solve human-level problems. Building safe and beneficial AGI is our mission.

May 14, 2025 · ChatGPT is built on a transformer architecture, specifically the GPT (generative pretrained transformer) family of models, ergo the name ChatGPT. It was trained on massive …

Mar 27, 2025 · GPT stands for Generative Pre-trained Transformer. These models are trained on enormous amounts of text from books, articles, websites, and other written sources.

GPT-5.3 Instant remains the default model that powers the standard chat interface. It was introduced to make conversations smoother, reduce unnecessary refusals, and produce faster answers.

Mar 5, 2026 · GPT-5.4 is the first general-purpose OpenAI model that can take control of a computer — clicking, typing and navigating software using screenshots and mouse/keyboard commands, without …