John Schulman, who previously co-founded OpenAI and was one of the leading architects of ChatGPT, leaves Anthropic, after joining the company in August 2024 (Jon Victor/The Information)

Jon Victor / The Information:
John Schulman, who previously co-founded OpenAI and was one of the leading architects of ChatGPT, leaves Anthropic, after joining the company in August 2024  —  John Schulman, an OpenAI co-founder who joined rival Anthropic last year, has left his role at the startup, an Anthropic spokesperson said.