Ramp’s July AI Index:
Anthropic was used by 43.5% of U.S. businesses, up 1.1pp MoM.
OpenAI: 39.7%, +0.23pp
xAI: 4.0%, +0.94pp
Anthropic’s Fable 5 accounted for just 6% of tokens purchased and 11.4% of spend. GPT-5.6 Sol accounted for 25% of OpenAI tokens and 23% of spend.