ChatGPT has got its first major update in years in the form of GPT-5. The GPT models are the AI technology that underpin ChatGPT. The new version will be available to all 700 million users of ChatGPT, its makers OpenAI said.

ChatGPT-maker OpenAI has unveiled the long-awaited latest version of its artificial intelligence (AI) chatbot, GPT-5, saying it can provide PhD-level expertise. Billed as "smarter, faster, and more useful," OpenAI co-founder and chief executive Sam Altman lauded the company's new model as ushering in a new era of ChatGPT.

GPT-5 is the highly anticipated latest installment of a technology that has helped transform global business and culture.