Why Didn't Anthropic Sign the Open Model Letter? AI Offense Outpaces Defense Anthropic CEO Dario Amodei declined to sign an open letter urging the US to support open-weight AI models, arguing that open models could empower attackers more than defenders. The letter received public support from all other major tech companies including Microsoft and Nvidia. An open letter urging https://uk.pcmag.com/ai/166349/in-face-of-us-crackdown-microsoft-nvidia-ceos-back-open-weight-ai-models the US to support rather than restrict open-weight AI models has received public support from all the major tech companies—except Anthropic. CEO Dario Amodei is now explaining why, suggesting that open AI models could empower attackers more than defenders. Amodei says he …