OpenAI's Revenue Sits at $50 Billion, Not $70 Billion—Investors Adjusted Figure to Match Anthropic

OpenAI has disclosed to investors that its annualized revenue stood at approximately $50 billion at the end of September 2026, marking a sharp downward revision from the $70 billion figure widely circulated in financial and technology media earlier this month. The gap reflects a fundamental accounting dispute between OpenAI and its rival Anthropic, whose different methodologies for recognizing cloud-partner revenue have created parallel universes of financial reporting within the frontier AI sector.