Claude Is Eating the World

Anthropic beats OpenAI in business adoption, continuing its torrid growth

May 13, 2026

Anthropic is on an absolute tear. It has now officially beaten OpenAI in the RampAI Index for the share of U.S. businesses with paid subscriptions.

ANTHROPIC beats OpenAI in business adoption for the first time. per @tryramp data

Today's update of Ramp AI Index shows 34.4% of businesses using Anthropic versus 32.3% using OpenAI.

Adoption of Anthropic quadrupled over the last year, while OpenAI rose only 0.3%. pic.twitter.com/Hvdx4rQmYv
— Ara Kharazian (@arakharazian) May 13, 2026

This should be no surprise now.

Anthropic has also surpassed OpenAI in annualize revenue rate.

How did OpenAI fumble its lead in AI?

Anthropic beats OpenAI in business adoption, continuing its torrid growth

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