@XFreeze reports Grok 4.7 Fast is live in Grok Build and Cursor: the same Grok 4.7 model on faster infra with roughly 2× output speed, at about 2× standard token rates. It is not in Grok Build’s free tier and is not on the public xAI API. Screenshots show Cursor’s “Grok 4.7 High Fast” picker and Grok Build’s Fast variant note.

Key Takeaways

  • ✓Grok 4.7 Fast is available only in Grok Build and Cursor so far—not on the public xAI API.
  • ✓Same model intelligence with ~2× output speed at ~2× standard Grok 4.7 token rates.
  • ✓Excluded from Grok Build’s free tier; aimed at coding agents that trade higher token cost for faster inference.
Grok 4.7 Fast live in Grok Build and Cursor: ~2× output speed at ~2× token rates
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