Josh Purtell says GPT-6 still looks far from Musk’s smartest-human forecast

JoshPurtell · x · 2026-07-23

Josh Purtell pushes back on Elon Musk’s claim that GPT-5 or GPT-6 could become indistinguishable from the smartest humans.

He cites the WISC scores and perceived dullness of Fable and Sol as evidence that current systems still look far from that bar, and says the prediction is “close to being proven wrong.” He ultimately puts the odds at “7 or 8,” implying some chance but strong skepticism.

Related event: Practitioner Rebuts Musk: GPT-6 Far From Human-Level Intelligence(2 posts)→

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