OpenAI has introduced GPT-5.5, calling it its most advanced and intuitive model so far. Built to handle complex and multi-step tasks with minimal input, the new system focuses on understanding intent ...

ChatGPT quickly swept us away with its mind-blowing skills. Its latest model, GPT-4o, is faster, cheaper and can generate more text than its predecessors. Stephen Shankland worked at CNET from 1998 to ...