Anthropic surpasses OpenAI in US business AI adoption, hits $30B run-rate Anthropic has surpassed OpenAI in paid business AI adoption, with 34.4% of businesses using its Claude product compared to OpenAI's 32.3%, according to Ramp's AI Index. The company's annual revenue run-rate has reached $30 billion, exceeding OpenAI's $24–$25 billion, and prediction markets indicate a high probability of Anthropic achieving a $1.25 trillion valuation by year-end. Anthropic has surpassed OpenAI in paid business adoption of artificial intelligence, marking a significant shift in the enterprise AI landscape. According to recent data from Ramp’s AI Index, Anthropic’s AI products were utilized by 34.4% of businesses on the platform in April 2026, compared to OpenAI’s 32.3%. This marks the first time that more U.S. businesses are paying for Anthropic’s Claude than OpenAI’s ChatGPT. Anthropic’s rapid expansion in the market over the past year has been reflected in its soaring revenue, now at a $30 billion annual run-rate, surpassing OpenAI’s $24–$25 billion. This development has implications for Anthropic’s valuation, with prediction markets reflecting increased confidence in the company’s growth trajectory. The current pricing suggests a high probability of Anthropic reaching a valuation of $1.25 trillion by December 31, supported by the company’s strategic partnerships and increasing market demand for its AI solutions. Key Takeaways - Anthropic’s overtaking of OpenAI in business adoption appears consistent with increased market confidence in Anthropic’s growth potential. - The current prediction market pricing suggests a strong likelihood that Anthropic will reach a $1.25 trillion valuation by the end of the year. - The shift in enterprise AI adoption could indicate a broader industry trend towards Anthropic’s technology offerings. What to Watch Market participants will be closely monitoring any announcements from Anthropic regarding new funding rounds or strategic partnerships, which could further influence valuation expectations. Additionally, developments in OpenAI’s IPO timeline may impact market dynamics, as any delays or restructuring could alter competitive positioning. Observers will also be attentive to broader AI adoption trends, which may provide further insights into the future trajectory of both Anthropic and OpenAI. Get prediction market intelligence as a structured API feed. Early access waitlist.