The day in AI
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3 Feb 2025AnthropicConstitutional Classifiers Classifiers trained on synthetic data from a written constitution cut jailbreak success on Claude from 86% to 4.4% with minimal over-refusal.3 Feb 2025OpenAICompetitive Programming with Large Reasoning Models General RL-trained o3 reached IOI 2024 gold without hand-built test-time strategies, beating the domain-specialised o1-ioi.