During the ongoing OpenAI trial, Elon Musk said Microsoft's OpenAI investment in 2023 fueled his concerns that OpenAI was abandoning its mission. "I reacted quite negatively because at…$10 billion scale, there's no way Microsoft is just giving that as…donation," Musk said. "I texted Sam Altman and said, 'What the hell is going on?…[this investment] is bait and switch'," Musk added.