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
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 >
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
Most people still pick one model and pray it's the smartest
Sakana just shipped an AI that bosses other ais and beats astra without astra best or joint-best on 5 of 8 hard benches. chartography: 48.3 vs opus 5 at 27.3. deepswe: 74.3 beating models 3-5× more expensive per
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