OpenAI is pulling far ahead of its rivals in the fast-growing enterprise AI market, according to new data from Ramp’s latest AI Index. The financial technology firm analyzed spending patterns from approximately 30,000 companies and found that OpenAI enterprise adoption has significantly surged in just a few months.
As of April, 32.4% of U.S. businesses were actively paying for OpenAI’s models, tools, and platforms—up from 28% in March and 18.9% in January. This dramatic rise shows how rapidly OpenAI is becoming the preferred AI provider for corporate America.
Meanwhile, competing AI companies like Anthropic and Google are struggling to keep pace. Anthropic’s share of business subscriptions rose only slightly—from 4.6% in January to 8% in April. Google’s AI tools fared worse, with a sharp drop in adoption, falling from 2.3% in February to just 0.1% in April.
Ramp economist Ara Kharzian noted the trend in a blog post: “OpenAI continues to add customers faster than any other business on Ramp’s platform.” The data, he explained, reveals that OpenAI is outpacing all other competitors when it comes to business growth in the AI space.
Ramp AI Index Signals Market Dominance
Although Ramp’s AI Index isn’t comprehensive—it only tracks spending data from about 30,000 companies and may miss purchases disguised within other budget categories—it still provides valuable insights into enterprise spending behavior. The index identifies AI-related expenses by analyzing merchant names and line-item descriptions, giving a snapshot of real-world product adoption.
What stands out is how quickly OpenAI has captured market share. This spike in OpenAI enterprise adoption reflects more than just brand recognition. It suggests that OpenAI’s product offerings, such as ChatGPT and its API services, are meeting key business needs in areas like automation, customer service, software engineering, and internal productivity.
Kharzian emphasized that OpenAI’s enterprise traction is not only strong but accelerating. The latest index underscores OpenAI’s momentum just as the broader enterprise AI market heats up.
2 Million+ Business Users and Growing Revenue
OpenAI’s internal numbers reflect this same trend. A report published by the company in April revealed that more than 2 million businesses are now using its AI tools—doubling from 1 million in September. These customers range from startups to large enterprises integrating OpenAI’s LLMs into their workflows.
This swelling customer base is expected to become a major revenue driver. According to a Bloomberg report, OpenAI is projecting $12.7 billion in revenue for 2025 and aims to hit $29.4 billion by 2026.
However, despite this explosive growth, OpenAI doesn’t expect to become cash-flow positive until 2029. The company is currently exploring new revenue streams, such as offering specialized AI agents tailored for tasks in software development and research. These agents could cost business customers thousands of dollars, indicating a push toward premium, high-value enterprise solutions.
This move could cement OpenAI’s leadership in a sector where depth, accuracy, and speed are crucial for productivity. It also opens the door for a broader suite of tools built on its large language models—further driving OpenAI enterprise adoption in industries ranging from finance to healthcare.
As competitors like Anthropic and Google lag behind, OpenAI’s strong market position and aggressive innovation strategy suggest it could dominate enterprise AI for years to come.
