OpenAI valuation: ChatGPT parent is now worth $500 bn; more than SpaceX and ByteDance

OpenAI’s valuation has surged to $500 billion after employees and former staff cashed out $6.6 billion in a secondary share sale to investors including SoftBank and Thrive Capital. This significant increase from $300 billion highlights the AI giant’s rapid growth, with revenue reaching $4.3 billion in the first half of 2025. OpenAI now surpasses SpaceX and ByteDance in valuation.