AI Index

Ramp

2026-09-10 00:36:04

Ramp AI Index shows Anthropic at 43.8% of paying U.S. businesses in August

Ramp chief economist Ara Kharazian released the September 2026 Ramp AI Index on Sept. 9, using Ramp spending data to track AI usage among U.S. businesses. In August, Anthropic held a 43.8% share among U.S. companies paying for AI subscriptions or tokens, up 0.34 percentage points from the prior month, while OpenAI stood at 39.8%, up 0.09 points. The report said new AI adoption continued to grow, though the pace slowed, with information, finance, and professional services leading. It also showed that median monthly AI spending per employee among the top 1% of firms fell 9.7%, from $7,976 to $7,205. Effective pricing per 1 million tokens dropped 41% from a March 2026 peak of $1.15 to $0.68. Cheaper standard models drove usage, while frontier models Opus, Fable, and Sol accounted for 45% of token share. Open-source model adoption remained limited at 6.4% of AI-spending firms and 3.6% of all firms.

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Ramp

2026-08-13 20:56:24

Ramp July AI Index: Anthropic Leads US Enterprise AI Adoption at 43.5%

Ramp's July AI Index, released by the enterprise spend management platform, places Anthropic at the top of the US corporate AI market with a 43.5% adoption rate, an increase of 1.1 percentage points month over month. OpenAI is second at 39.7%, having gained 0.23 percentage points from the prior month, while xAI's adoption climbed to 4.0%. The survey also points to a gap between adoption and actual spend. Anthropic's Fable 5 model accounts for just 6% of enterprise token purchases and 11.4% of total spending. OpenAI's GPT-5.6 SOL model takes a larger share, with 25% of token usage and 23% of spend. Ramp derives the data by monitoring AI product payments across its corporate cards and bill services, giving visibility into which models enterprises rely on in practice. CryptoBriefing reported the results.

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