Musk delays Grok 4.7 by days, says RL over-penalized response length
inductionheads · x · 2026-09-12
Elon Musk says Grok 4.7 needs a few more days to cook. He shared a training detail: the team may have over-penalized response length in RL, causing the model to give up on hard tasks it can actually solve, and to lack rigor in double-checking its own work. A rare exec comment on RL reward trade-offs ahead of release.
Related event: Musk Confirms Grok 4.7 Delay, Blames Overweight RL Penalty on Reply Length(7 posts)→
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