Elon Musk's Grok AI is experiencing a significant decline in user growth and enterprise adoption, according to recent data. Grok downloads plummeted from over 20 million in January to approximately 8.3 million by April. Despite initial interest spurred by controversial image-generation tools, long-term user growth has not materialized. Only 0.174% of surveyed U.S. AI users reported paying for Grok in Q2 2026, a negligible increase from the previous year. In the enterprise sector, Grok lags behind competitors like Anthropic's Claude and Google's Gemini. A survey by Enterprise Technology Research revealed that only 7% of companies plan to continue using Grok, compared to 48% for Claude and 40% for Gemini. The AI market is increasingly favoring models with robust coding tools and enterprise integration, areas where Grok has struggled to gain traction. Musk himself has acknowledged the limited scale of xAI, describing it as "very small" during recent court proceedings.