Anthropic business AI adoption eclipses OpenAI — three looming threats

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U.S. Enterprises Shift AI Dollars to Anthropic, Leaving OpenAI Behind

American companies are allocating a larger share of their artificial‑intelligence budgets to Anthropic than to OpenAI for the first time, according to the May 2026 Ramp AI Index. The shift marks a pivotal moment in enterprise AI adoption, signaling Anthropic’s growing foothold in the business sector while OpenAI experiences a modest decline.

Key Takeaways

Anthropic leads in adoption: Enterprise AI spend on Anthropic rose to 34.4 % in April, up 3.8 % from the previous month.
OpenAI slips: OpenAI’s share fell to 32.3 %, a decline of 2.9 %.
First crossover: This is the inaugural instance where Anthropic’s business AI adoption surpasses OpenAI’s.
Market implications: The trend suggests heightened confidence in Anthropic’s enterprise‑focused models and pricing structures.
Strategic repositioning: Competitors may need to revisit product roadmaps and partnership strategies to retain market share.