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U.K. AI Security Institute

Coverage of U.K. AI Security Institute in the Nexus archive.

Earliest in view: May 7 · 21:47 UTCMost recent: May 7 · 21:47 UTC

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TECHNOLOGYMay 7 · 21:47 UTCAXIOS
OpenAI makes its rival to Anthropic's Mythos more widely available to cyber defenders
OpenAI is rolling out a more permissible version of GPT-5.5 to vetted cyber defenders, which has capabilities similar to Anthropic's Mythos Preview in finding and exploiting software bugs. This move sparks debate about keeping such models out of the hands of bad actors.