As OpenAI and Anthropic, the two titans in the AI industry, gear up for initial public offerings (IPOs) and have yet to fully unveil their financial figures, the public mainly relies on third-party sources to gauge their business trajectories. Recently, Ramp, a provider of corporate credit card and expense management services, unveiled fresh data suggesting that OpenAI is steadily closing the gap with Anthropic in the U.S. enterprise user market. Earlier, Anthropic witnessed remarkable revenue growth, propelled by its stellar performance in the enterprise sector. Its second-quarter revenue surpassed $11.5 billion, marking a staggering 14-fold increase year-on-year and achieving operational profitability for the first time. In contrast, OpenAI's revenue for the second quarter stood at $6.7 billion, experiencing a deceleration in sequential growth and continuing to incur losses. Nevertheless, Ramp's latest findings indicate that OpenAI's market share in the enterprise user segment is gradually on the rise, narrowing the distance between it and Anthropic.