OpenAI in talks for share sale at $500 billion valuation

OpenAI is in early talks about a potential sale of stock for current and former employees at a valuation of about $500 billion, people briefed on the investment discussions said, marking an enormous gain in value for the artificial intelligence leader.

The company is targeting a secondary stock sale in the billions of dollars, the people said, asking to remain anonymous because they weren’t authorised to discuss the matter publicly. Existing investors including Thrive Capital have approached OpenAI about buying some of the employee shares, the…