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 …

Jan 31, 2024 · Starting today, you can use ChatGPT instantly, without needing to sign-up. We're rolling this out gradually, with the aim to make AI accessible to anyone curious about its …

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 …

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 …

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. Search the web—Get fast, timely answers …

15 hours ago · GPT‑5.1 Instant, the default chat model, has improvements to instruction following. GPT‑5.1 Thinking, the reasoning model, is faster and gives more understandable responses.

ChatGPT is a chatbot and AI assistant built on large language model (LLM) technology. [22] . It is designed to generate human-like text and can carry out a wide variety of tasks.

Chat GPT-5.1 represents a structurally upgraded generation of OpenAI’s model family, combining adaptive reasoning, multimodal comprehension, expanded file understanding, advanced …

1 day ago · After Google's Gemini 3 model took benchmarks by storm, OpenAI may release a faster and more customizable GPT-5.2 update this week as its response.