Who's Winning Enterprise AI Now: Claude Up 128%, Gemini Up 48%, OpenAI Down 8%, Grok Still A Rounding Error

2026-05-13

Enterprise adoption has shifted over the past twelve months. OpenAI is still in the lead, but its share has dropped to 56%. Claude adoption more than doubled in the last year. Gemini adoption grew from 27% to 40%, but Grok is barely growing within enterprise organizations. The coding assistant market is driving the numbers.