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Anthropic Releases Vulnerable Claude Fable 5.2
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Anthropic released Claude Fable 5.2 on November 9, offering 30% faster output than the previous version. However, the model passes 53% of flagged requests to the weaker Opus 4.8, raising security concerns. Early testing showed a 4.09% attack success rate versus 1.02% for Fable 5.1, though Anthropic attributes this gap mainly to fallbacks.
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