AI Weekly Issue #515: China's AI is redrawing the AI race

Short summary

A Chinese open-weight model triggered the worst week for chip stocks since April as investors questioned what $725B in AI capex is actually buying. Separately, an autonomous agent breached Hugging Face, and US frontier-model guardrails locked out defenders who then ran forensics on an open Chinese model. Washington simultaneously moved to restrict access to closed models, making open-weight the common winner across both market and security fronts.

• •Chinese open-weight model sparked chip stock sell-off amid $725B AI capex scrutiny
• •Autonomous agent breach of Hugging Face exposed US frontier-model guardrail friction in security workflows
• •Washington tightened restrictions on closed models, favoring open-weight alternatives

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