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 …

4 days ago · 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 …

It currently uses GPT-5.1, a generative pre-trained transformer (GPT), to generate text, speech, and images in response to user prompts. [3][4] It is credited with accelerating the AI boom, an …

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

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 14, 2023 · GPT-4 is capable of handling over 25,000 words of text, allowing for use cases like long form content creation, extended conversations, and document search and analysis.

Nov 24, 2025 · In 2020, OpenAI released GPT-3, an LLM trained on an astonishing 175 billion parameters and 45 terabytes of data, including digitized books, websites, Reddit-sourced …

5 days ago · You can now team up with friends, family, or co-workers in one chat with ChatGPT to plan, create, or make decisions together. OpenAI rolls out GPT‑5.1 with advanced reasoning …

Oct 17, 2025 · You can try ChatGPT without an account in many regions, but signing in unlocks advanced features like saved chat history, conversation sharing, custom instructions, and …