Its human partners said the flirty, quirky GPT-4o was the perfect companion – on the eve of Valentine’s Day, it’s being turned off for good. How will users cope?

I am writing this in the centre of Bangkok, near the lower sois of the Sukhumvit Road. It is an agreeable district, thick with pubs, cafés, restaurants, beer gardens, swish hotels, rooftop vodka ...

OpenAI researcher Zoë Hitzig resigned this week, timing her departure with the launch of ad testing in ChatGPT ...