OpenAI is growing faster than Anthropic among U.S. businesses so far this quarter, according to new Ramp spending data posted August 20, 2026 by the expense-management company’s lead economist, Ara Kharazian, marking the first signs of a reversal since Anthropic took the lead in corporate AI spending three months ago. The numbers come from the Ramp AI Index, a monthly measure of AI adoption and spend built from transaction data across more than 70,000 American businesses using Ramp’s corporate…