Elon Musk shared that Grok 4.7 is in final polish, explaining that RL over-penalizing token length caused models to surrender prematurely on hard problems. The team is correcting length penalties and rigor before release in days.

Key Takeaways

  • ✓Grok 4.7 completed base pretraining, now undergoing RL reward signal fine-tuning
  • ✓Removes token length penalties causing premature model surrender on complex reasoning
  • ✓Bolsters multi-step verification and reflection ahead of full rollout in days
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