John Schulman, co-founder of OpenAI, has left Anthropic after five months to pursue a new opportunity at a startup founded by former OpenAI CTO Mira Murati. Despite enjoying his time at Anthropic and its support for alignment research, Schulman stated his departure was a personal decision to focus on his career goals. Jared Kaplan, Anthropic’s Chief Science Officer, expressed sadness over Schulman’s exit but supported his decision. Schulman confirmed his transition via social media, noting the stimulating research environment he enjoyed. Details about his new role and the startup’s plans remain undisclosed, garnering interest from the AI community.