OpenAI’s secondary share sale values the company at $500 billion, surpassing SpaceX. Meta has poached AI staff from OpenAI, offering $100 million signing bonuses. Investors including SoftBank and Microsoft have bought shares, driving OpenAI past SpaceX to become the world’s largest startup. OpenAI’s valuation demonstrates strong investor demand in AI.

Read more at Yahoo Finance: OpenAI Is World’s Top Startup With $500B Valuation After Employee Share Sale