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May 13, 2026
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Anthropic Surpasses OpenAI in Business Customers

AI Summary
Anthropic has surpassed OpenAI in the number of verified business customers, according to Ramp's AI Index. 34.4% of participating businesses pay for Anthropic services, while 32.3% pay for OpenAI.

The Shift in AI Leadership

For the first time, Anthropic has more verified business customers than OpenAI, according to this month’s AI Index from the fintech firm Ramp. The survey, compiled from Ramp’s clients’ expense data, shows 34.4% of participating businesses are paying for Anthropic services, more than any other AI lab, while only 32.3% pay for OpenAI.

Key Statistics

  • 34.4% of businesses pay for Anthropic services
  • 32.3% of businesses pay for OpenAI services
  • Over 50,000 companies represented in the survey
  • Anthropic's share of business customers increased by 26% in the past 12 months
  • OpenAI's share of business customers declined by 1% in the past 12 months

The Impact of Anthropic's Strategy

“Anthropic has already been in the lead amongst the high adoption groups like finance, tech, professional services,” Ramp economist Ara Kharazian told TechCrunch. “It’s across the other firms where OpenAI still has a lead, but that has been shrinking over the past couple of months.”

The Future Outlook

Kharazian is skeptical about whether this advantage will last, but said the success of the past year was proof that Anthropic had chosen a good strategy. “What Anthropic did worked really well,” Kharazian told TechCrunch, “which was — start with a very technical customer base, focus on their needs, really succeed in execution and then start broadening out through tools like Cowork.”