Joshua Achiam, OpenAI's chief futurist, testified in the Musk v. Altman trial. Bloomberg/Getty Images OpenAI exec Joshua Achiam testified about a "tense exchange" he had with Elon Musk in 2018. Musk, Achiam told the jury in the Musk v. Altman trial, called him a "jackass." The two clashed over AI safety, and Achiam's colleagues later gifted him a gold "jackass" trophy. An OpenAI executive told a federal jury Wednesday how Elon Musk once called him a "jackass" during a heated clash over AI safe