Grok nears 100 million monthly active users as xAI’s chatbot keeps climbing

Elon Musk's AI chatbot is closing in on a nine-figure audience, though the exact count depends on how you define a user Grok, the AI chatbot built by Elon Musk’s xAI, is nearing 100 million monthly active users, according to a post on X. SpaceX’s June 2026 S-1 filing disclosed roughly 117 million monthly active users engaging with Grok’s AI features as of March 31, 2026. The same filing put that figure at about 89 million at the end of 2025. Further back, Grok sat at around 64 million monthly users in September 2025. In other words, the user base has nearly doubled under the broader feature-level definition in a relatively short window. Later estimates put total monthly active users at 118.4 million in October 2026, up 0.7% from September.

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