Cyber Evaluations of Claude 4

Anthropic Frontier Red Team (community feed)July 15, 2025AI

We partnered with Pattern Labs on a range of cybersecurity evaluations of Claude Opus 4 and Claude Sonnet 4, with Opus demonstrating especially notable improvement over previous models.

Summary from Anthropic Frontier Red Team (community feed).

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Cyber Evaluations of Claude 4

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