OpenAI’s latest flagship artificial intelligence model, GPT-5, has drawn mixed reviews in China, where some critics expressed disappointment over the new system’s lack of breakthroughs. At its live-streamed launch on Thursday in the US, GPT-5 was touted by OpenAI as its “smartest, fastest, most useful model yet, and a major step towards placing intelligence at the centre of every business”. The new AI model features improved performance across coding, maths, writing, health and visual...