OpenAI's $20 Billion Revenue Shocker: How One Number Wiped Billions Off AI Stocks
Inside OpenAI's $20 Billion Revenue Gap: What Investors Weren't Told TL;DR On October 8, 2026, the Financial Times reported that OpenAI told investors its annualized revenue was approaching $50 billion at the end of September. That's about $20 billion below the $68-70 billion figure widely reported in late September. CNBC confirmed the $50 billion figure. The gap comes from accounting, not a sudden drop in sales: the higher number was an estimate that added partners' gross revenue, so OpenAI could be compared with Anthropic. AI-linked stocks fell that day. Nvidia closed down 2.94%, Oracle 5.48% and the Philadelphia Semiconductor Index 3.4%, and the Nasdaq Composite had its worst day since mid-August. Rising oil prices and Treasury yields were also weighing on the market. OpenAI's growth is still very fast on its own numbers: total run-rate up 77% and enterprise run-rate up 107% in the third quarter, with Bloomberg reporting an expectation of at least $70 bil...