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

Chat with ChatGPT for free online. No registration required. Powered by OpenAI GPT-4o.

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, …

GPT‑5 produces higher-quality responses by using your company’s files and connected apps like Google Drive, SharePoint, and more, while respecting existing permissions.

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 the new …

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 …

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 …

Aug 24, 2023 · What Does "GPT" Stand for in ChatGPT? "GPT" stands for "Generative Pre-trained Transformer." A GPT is a language model that uses deep learning to generate human-like text in …

Apr 23, 2026 · OpenAI is capping off a busy week of announcements with the release of GPT-5.5, its latest model upgrade for ChatGPT and Codex. The company calls its new model “a new class of …

Apr 25, 2026 · ChatGPT is an advanced conversational AI (or chatbot) developed by OpenAI, designed to engage users in natural language dialogue and provide informative responses across a wide …