Anthropic says GLM-5.3-Flash built a working exploit chain for $20.40

Anthropic's Frontier Red Team says a researcher used GLM-5.3-Flash, the smaller version of Zhipu AI's open-weight model, to build a reliable exploit chain for two already-disclosed flaws at a cost of $20.40 at Zhipu's API prices. The run took 20 minutes of human attention plus eight hours of model…

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Anthropic says GLM-5.3-Flash built a working exploit chain for $20.40 · TechNews