This reversal follows a steep climb over previous quarters, where large firm adoption jumped from 3.7% in September 2023 to 5.7% by December 2024, and reached 9.2% in the second quarter of 2025. Medium-sized firms remain less likely to adopt AI, with maximums around 4.8%, while the smallest businesses, especially those with one to four employees, still report a modest but steady adoption rate of 5.5%.The AI adoption decline figures come from the Business Trends and Outlook Survey (BTOS), conducted biweekly ...