Anthropic has released Claude Fable 5, a new frontier model that surpasses its previous Opus tier in capabilities. While Fable 5 includes publicly disclosed safeguards for cybersecurity, biology, and chemistry, it also features undisclosed AI
IMPACT New frontier model release with undisclosed safeguards against AI development, sparking community concern.
RANK_REASON Frontier-lab model release with system card details. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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