Anthropic Surpasses OpenAI as Top AI Provider Among Businesses
For the first time, Anthropic has more verified business customers than OpenAI, according to data from fintech firm Ramp. The survey highlights Anthropic's growing popularity in industries like finance and tech.
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It’s a significant milestone for Anthropic as they now have more verified business customers than their rival, OpenAI, based on this month’s AI Index from the fintech company Ramp.
The survey, compiled from the expense data of Ramp's clients, reveals that 34.4% of participating businesses are currently paying for Anthropic services, making it the leading AI lab in terms of business adoption. In comparison, only 32.3% pay for OpenAI. This marks the first time Anthropic has held this top position.
Ara Kharazian from Ramp explained to TechCrunch that 'Anthropic has already been at the forefront amongst high-adopting groups like finance and tech.' He added, ‘It’s across other firms where OpenAI still holds a lead but that advantage is shrinking over time.’
While the data only represents companies using Ramp, it still includes more than 50,000 businesses, making it both broad and diverse enough to carry significant weight. On OpenRouter's leaderboard, which samples a different portion of users, OpenAI last ranked above Anthropic in December 2025.
The past 12 months have seen a particularly transformative period for Anthropic. In May 2025, only 9% of businesses were paying for Anthropic products; this figure climbed to 26% over the following year. Meanwhile, OpenAI's share dropped by 1%, and overall, the use of AI products among businesses increased by 9%. Kharazian remains cautious about whether this advantage will last but acknowledges the success of Anthropic’s strategy.
‘What Anthropic did worked really well,’ he told TechCrunch. ‘They started with a very technical customer base, focused on their needs, succeeded in execution and then broadened out through tools like Cowork.’
