Where was Mythos when WordPress fell?

The author critiques Anthropic's 'Mythos' AI model, questioning its effectiveness in securing open-source software like WordPress. The piece highlights a discrepancy between marketing claims and the reality of unpatched vulnerabilities in critical infrastructure.
Table of Contents The numbers, if you read them Some people actually checked Securing critical software, in practice Enter the 20 minute experts Table of Contents The numbers, if you read them Some people actually checked Securing critical software, in practice Enter the 20 minute experts I am by no means an AI expert, and I get annoyed quickly by people who claim to be experts in the field, because let's face it, at the end of the day we prompt that API and hope something useful comes out of it. When Anthropic announced the infamous Mythos model in spring of 2026 my entire feed on X was full of experts who were damn sure the Messiah had arrived and that cybersecurity was basically solved now. Anthropic released Mythos Preview to a handful of trusted entities under Project Glasswing , with the ultimate goal of "securing critical software for the AI era". By June the whole thing had escalated to the point where the US government invoked export control powers and Anthropic shut off access to Fable 5 and Mythos 5 entirely.
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