In a friend of the court filing by Harvard law professor Lawrence Lessig, a dozen former employees accuse OpenAI of abandoning its nonprofit roots and betraying the mission that originally attracted them to the organization.

In a twist to the legal battle between Elon Musk and OpenAI, a group of former OpenAI employees are challenging the AI startup's move to a for-profit structure. They support Musk's claim that CEO Sam Altman is deviating from the company's original charitable mission.