Open the app or website, and type in your question or prompt. You can use the voice function, attach files and even browse trending topics under Search. For more advanced and personalized features, it's best to create an account and log in. ChatGPT learns more about you from your search history, and you can customize its responses.

OpenAI has launched two new models, GPT-5.4 mini and GPT-5.4 nano, following the release of GPT-5.4 earlier this month, which was positioned mainly for

OpenAI on Monday released a new desktop application for its Codex artificial intelligence coding system, a tool the company says transforms software development from a collaborative exercise with a single AI assistant into something more akin to managing a ...