Anthropic CEO Dario Amodei submitted a report to the U.S. Congress: 'After investigation, we found that Kimi K3 may have distilled a model that Anthropic has not yet fully developed.' Congressman followed up: 'Your model isn’t even finished, how could it be distilled?' Amodei: 'That’s exactly why we’re holding this hearing.' New challenge in AI safety: Future Model Leakage