After a year of building up its hype, OpenAI has officially its most advanced AI model yet, the GPT-5. It is being made available to all ChatGPT users and developers. CEO Sam Altman compared the debut of the new model to the moment the first iPhone came out with the Retina display - an experience that, once you indulge in it, you can never go back on. The next-generation language model brings some major improvements in reasoning, accuracy, and speed, and brings interactions that are closer


