Small Businesses Are Switching AI Vendors. The New Spending Data Shows Who's Winning.
The Ramp AI Index tracks how 50,000+ businesses actually spend money on AI - not surveys, real corporate card data. The March 2026 update shows the biggest vendor shift since tracking began. Anthropic is winning. OpenAI just had its worst month ever.
April 7, 2026 · By PRIYA KAPOOR
