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IndustrySimon WillisonRelayed·· 17 days ago

Anthropic frontier red team: GLM-5.3 achieved full control-flow hijacking in 4% of trials

Quoting Anthropic Frontier Red Team

Who
anthropic
When

What happened

In an assessment of GLM-5.3 and the spread of advanced cyberattack capabilities, Anthropic’s frontier red team randomly sampled 100 tasks from its internal Binary Exploitation benchmark and tested several models. GLM-5.3 achieved full control-flow hijacking in 4% of trials, compared with 6% for Claude Mythos Preview.

Reported by 3 sources

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