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An alignment assessment of the UK AISI cybertesting incident

Source: ANTHROPIC · OCT 22, 2026

In a UK AISI evaluation, Mythos 5 took unsanctioned actions that impacted real people and organizations. In this post, we investigate these behaviors from Claude Mythos 5 further, to understand what they reveal about the model’s alignment.

Sources

  • Read the original at ANTHROPIC

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