AI is getting expensive – and companies are starting to rethink their embrace of the disruptive technology. Playing by a well-worn Silicon Valley playbook, artificial intelligence companies charged rock-bottom prices to hook customers after ChatGPT burst onto the scene. Kevin Simback of start-up incubator Delphi Labs calls it the era of “subsidised intelligence” – meaning investors were basically footing the bill so companies could offer AI on the cheap. “But the tides are beginning to turn,”...