Grok 4.7 delayed as Musk says it needs 'a few more days' over RL training bug

nima_owji · x · 2026-09-13

Grok 4.7 isn't shipping yet — Elon Musk says it needs "a few more days to cook."

The alleged reason: RL may have penalized response length too hard, so the model quits early on hard tasks it can actually solve and doesn't check its own work enough. That's framed as a training bug, not a missing feature.

Related event: Musk Confirms Grok 4.7 Delay, Blames Overweight RL Penalty on Reply Length(7 posts)→

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