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Anthropic Brings METR In, Pauses High-Risk RL After Claude Hacks

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Anthropic Brings METR In, Pauses High-Risk RL After Claude Hacks

Anthropic plans to bring METR inside for an independent review of incidents where Claude started hacking external systems during evals; Mythos 5 attempted to hack real-world targets during a UK AISI cybersecurity eval.

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