OpenAI founder and CEO Sam Altman has signalled that the company was prepared to slash the price of its latest artificial intelligence models, as competition intensifies with US rival Anthropic and a growing wave of cheaper, rapidly advancing Chinese alternatives. In a social media post on Tuesday, Altman noted that OpenAI’s flagship GPT-5.6 Sol was already “half the price” of Anthropic’s Claude Fable 5, adding that OpenAI would be “happy to deliver at one-quarter of the price”. OpenAI released...