OpenAI, developer of the ChatGPT chatbot, is becoming a for-profit company.It has suffered senior executive departures recently including Mira Murati.The change in status is a response to OpenAI's need to raise more investment.This year, OpenAI could lose as much as $5bn.Its new for-profit unit will no longer be controlled by its non-profit board.Potential investors include Apple and Nvidia.OpenAI is aiming to raise $6.5bn.The company aims to build “artificial general intelligence”, but there are concerns about safety.Many experts are concerned that the tech sector is not doing enough for AI safety.OpenAI is racing towards developing powerful AI tools.