After a disastrous 72 hours that saw its most loyal users in open revolt, OpenAI is making a major U-turn. In a series of posts on X (formerly Twitter) Sunday, CEO Sam Altman announced that the company is bringing back its beloved older AI models, including GPT-4o, and dramatically increasing usage limits for paying subscribers, a clear peace offering to a furious customer base. The move comes just days after the botched rollout of GPT-5, the company’s latest and most powerful model. The launch,...