ChatGPT ChatGPT is your AI chatbot for everyday use Chat with the most advanced AI to explore ideas, solve problems, and learn faster
Introducing ChatGPT - OpenAI 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, challenge incorrect premises, and reject inappropriate requests
ChatGPT - Free download and install on Windows | Microsoft Store 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 computer in real-time and get hands-free advice and answers while you work
ChatGPT App - App Store 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 generator
ChatGPT - Apps on Google Play 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
GPT 5. 5 Instant Becomes ChatGPT Default Model in 2026 The new ChatGPT default model also performed better than its predecessor in internal tests In the AIME 2025 mathematics test, the model scored 81 2, which is a notable increase from GPT-5 3 Instant’s 65 4
ChatGPT - Toms Guide ChatGPT vs Claude: I put both default models through 7 real-world tests — one is the clear winner By Amanda Caswell published March 1, 2026 ChatGPT and Claude's default models battle it out in
ChatGPT - Simple English Wikipedia, the free encyclopedia ChatGPT[2] is an AI chatbot It was launched by OpenAI in November 2022 The program was first built using a large language model that OpenAI made, called GPT-3 5 The GPT-3 5 model was first "trained" to predict text that comes after initial text After the model learned to complete text, supervised and reinforcement learning techniques were used to make the model more likely to follow