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Grok's Price Freeze, OpenAI's Proof, and Google's Bust — September 22, 2026

A swarm of ten thousand AI agents cracked a Millennium Prize math problem nobody has solved since 2000. A coding model got noticeably stronger without costing a cent more. Same week, opposite kinds of proof. We go through the math result and the Fields medalists pushing back on it, the six-month undercover operation that caught a supply-chain hacking gang, and the week's other launches, from Anthropic's pricier rumored models to Meta's Muse getting blocked by one retailer and built into another's checkout.

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