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Musk’s Grok Slumps While SpaceX Supplies Compute to Anthropic

SpaceX leasing capacity to Anthropic signals Musk’s infrastructure now powers rivals.

Overview

  • Anthropic secured computing capacity at a Musk-operated data center under a recent deal, with Republic World identifying the Colossus 1 site in Tennessee.
  • AppMagic data shows Grok downloads fell to about 8.3 million in April from more than 20 million in January, a drop near 59 percent.
  • A Recon Analytics survey found only 0.174 percent of respondents paid for Grok in the second quarter of 2026.
  • Enterprise Technology Research reports about 7 percent of companies use Grok, as ChatGPT, Claude, and Gemini gain faster traction at work.
  • A tool that enabled explicit, non‑consensual deepfake images fueled early interest and then drew bans and criticism, leading xAI to restrict the feature.