Elon Musk has sued OpenAI, its affiliated companies, founder Sam Altman and president Greg Brockman for alleged fraud and breach of contract just two months after dropping a similar suit against the ChatGPT-maker.

According to the 83-page complaint, filed Monday in California’s Northern District by Toberoff & Associates, Altman allegedly “induced” Musk to finance OpenAI by deceiving him about his intent to convert the company into a for-profit enterprise and feigning shared concerns about the “existential dangers” of artificial intelligence.