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frontier AI

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ARTICLEO'Reilly Radar·5/5/2026

Radar Trends to Watch: May 2026

A significant tension has arisen between Anthropic and OpenAI regarding frontier AI security. Anthropic restricted Claude Mythos to a small corporate cohort, while OpenAI released GPT-5.5 to general availability, leading to comparisons of "Mythos-like hacking" open to all.

Radar Trends to Watch: May 2026
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