Use ChatGPT to answer questions, write, create images, complete work, and code—all in one place. Get started for free or download the app.

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.

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More than 100 million people across 185 countries use ChatGPT weekly to learn something new, find creative inspiration, and get answers to their questions. Starting today, you can use ChatGPT instantly, without needing to sign-up.

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...

OpenAI operates the service on a freemium model. Users can interact with ChatGPT through text, audio, and image prompts. ChatGPT was quickly adopted, reaching 100 million monthly active users two months after its release and 900 million weekly active users in February 2026.

Bring in context from your apps, files, browser, screenshots, email, and screen so ChatGPT can help without breaking your flow. Whether you’re getting a quick answer, finishing a complex project, or building software, ChatGPT brings it together in one desktop app.

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.

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 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 range of topics.