BREAKING: Elon Musk just revealed what’s next for Grok

Grok 4.7: Roughly on par with Opus 5.0 • Grok 4.8: A noticeable improvement • Grok 4.9: Astra/Fable class • Grok 5: May be better than anything

M e mSep 14

The Stack That Kills

Extinction is the tail, not the headline. The Grabien spike of 9–13 Sept 2026 measured airtime, not apocalypse. A pretraining researcher, Jacob Coxon, resigned from Anthropic on 8 Sept. The staff answered in public: Hubinger put extinction this decade above

REGALIA X ROOTS 🦅Sep 141

Claude Opus 5.2 currently being tested inside claude code

Opus 5 is routing to new opus 5.2 this one shot < but opus was re iterating like it was trained on mattshumer_ gauntlet loop without even asking it was looping >

ChetasluaSep 14518

They didn’t sell you AGI.

They sold you the number 5. The receipt says: Maybe. We shall see. Grok 4.7 — roughly Opus 5.0, not 5.1. Better in some ways. Worse in others. Multimodal still broken. Grok 4.8 — a noticeable improvement. Grok 4.9 — probably Astra/Fable class. Grok 5

Neural BriefSep 143