Elon: Grok 4.8 is a 2.5T parameter model, starts RL after training this week
ns123abc · x · 2026-09-14
Elon Musk says Grok 4.8 is a 2.5 trillion parameter model that will finish training this week on 'SpaceXAI's' new C++ stack before moving into RL. The claim is unverified — no official technical report yet — but if accurate it signals a major scale-up in both training infrastructure and post-training pipeline.
Related event: Musk Says 2.5T-Parameter Grok 4.8 Finishes Pretraining This Week(3 posts)→
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