OpenAI co-founder John Schulman says he will leave and join rival Anthropic CNBCTrio of OpenAI Leaders Depart, Take Leave of Absence The InformationOpenAI co-founder Schulman leaves for Anthropic, Brockman takes extended leave TechCrunchOpenAI co-founder leaves for AI rival Anthropic CointelegraphOpenAI Co-Founder Leaves for Amazon-Backed Rival Anthropic – WSJ The Wall Street Journal