In brief Elon Musk said xAI partly used OpenAI models to train Grok, according to a TechCrunch report. The method, known as distillation, allows companies to replicate model behavior at lower cost. The disclosure came during Musk’s lawsuit against OpenAI over its shift to a for-profit model. Elon Musk said his artificial intelligence company xAI partly used OpenAI models while training its Grok chatbot, according to a report by TechCrunch.The admission is a rare public acknowledgment by a major AI developer of a practice under growing scrutiny. It comes as Musk’s case against OpenAI moves forward in federal court, where...