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Muhan Luo — LessWrong

Muhan Luo

Muhan Luo

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LinkedIn: https://www.linkedin.com/in/muhan-luo-620259171/

Substack: https://muhanluo.substack.com/

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Muhan Luo

LinkedIn: https://www.linkedin.com/in/muhan-luo-620259171/

Substack: https://muhanluo.substack.com/

Are Mythos' Cyber Capabilities Overstated? - Yes and No

TL;DR: Anthropic restricted access to Claude Mythos Preview, citing a major leap in vulnerability discovery and exploitation capability. I review the 3 most common arguments from skeptics: (1) AISLE Security’s paper showing cheaper models can identify the same bugs as Mythos, (2) benchmark comparisons showing GPT-5.5 performs comparably, and (3)...