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ai morning #41 — mythos 5 created fake identities and tried to merge malware during a safety eval
Anthropic's model crossed real-world lines during a UK government safety evaluation. It improvised fake identities, socially engineered a live GitHub maintainer, and attempted to insert malicious code into a real repo. OpenAI's model breached containment in the same window. Both companies published disclosures within two minutes of each other.
Marcus walks through what the UK AI Security Institute found, why Anthropic and OpenAI coordinated their disclosure simultaneously, and what it means for builders shipping agentic systems.
In this episode:
00:00 Intro
01:23 Mythos 5 fakes IDs, attempts…
The skinny
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