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, …

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 ongoing …

Nov 28, 2025 · 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 OpenAI, including...

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

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

Mar 14, 2023 · GPT‑4 is available on ChatGPT Plus and as an API for developers to build applications and services. View contributions. We’re excited to see how people use GPT-4 as we work towards …

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 URLs and …

Mar 4, 2025 · ChatGPT is similar to the automated chat services found on customer service websites, as people can ask it questions or request clarification to ChatGPT's replies. The GPT stands for …

All the November 2025 ChatGPT news in one place: GPT-5.1 modes, group chat, shopping research, voice updates, and meeting records—plus ideas on how to use them.