Anthropic vs OpenAI: Who’s Winning the AI Race in 2026?
For the first time since ChatGPT launched, Anthropic has overtaken OpenAI in US business adoption. Ramp’s April 2026 AI Index, published on May 13, puts Anthropic at 34.4% of tracked enterprise spending versus OpenAI at 32.3%. Anthropic added 3.8 percentage points in a single month while OpenAI fell 2.9. A year ago, OpenAI sat near 32% and Anthropic was under 8%. The lead is one month old, but the trajectory is brutal. If you’re choosing between Claude and ChatGPT, or trying to make sense of which company you actually want to bet on, the honest answer is messier than the headline. OpenAI is still the biggest AI brand on the […]
