Anthropic surpasses OpenAI in verified business customers for the first time

May 13, 2026

AI Summary

Anthropic has gained more verified business customers than OpenAI, according to data from Ramp. The survey indicates that 34.4% of businesses are now using Anthropic services, compared to 32.3% for OpenAI, marking a significant shift in the AI market landscape.

Anthropic has surpassed OpenAI in verified business customers for the first time, with 34.4% of businesses using its services compared to OpenAI's 32.3%.
The data comes from Ramp's AI Index, which analyzes expense data from over 50,000 companies, although it only represents businesses that use Ramp.
The trend shows that Anthropic has been particularly successful in sectors like finance, tech, and professional services, while OpenAI's lead in other areas has been diminishing.
Over the past year, Anthropic's customer base grew from 9% to 34.4%, while OpenAI's share decreased by 1%.
Ramp economist Ara Kharazian noted that Anthropic's strategy of focusing on a technical customer base has proven effective, although he expressed skepticism about the sustainability of this advantage.

anthropicopenaibusiness customersai indexramp

Anthropic surpasses OpenAI in verified business customers for the first time

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