In the high-stakes world of artificial intelligence, where billions in venture capital chase the next breakthrough, OpenAI CEO Sam Altman has issued a stark warning: the industry is in a bubble. Speaking to reporters recently, Altman drew parallels to the dot-com crash of the early 2000s, suggesting that overhyped expectations could lead to painful reckonings for investors. Yet, even as he sounds the alarm, his company is reportedly negotiating a deal that could value OpenAI at a staggering $500 billion, highlighting the paradoxes at the heart of AI’s explosive growth. This valuation talk comes amid discussions for OpenAI to sell…