Palantir CEO Alex Karp cautioned that the US should avoid Europe's restrictive approach to AI regulation, advocating instead for open-weight AI models to maintain global competitiveness, warning that banning or overly restricting AI products domestically while they remain unrestricted abroad would undermine US leadership. Anthropic CEO Dario Amodei clarified that his company does not support banning open-weight models but questioned their effectiveness as safety tools. The debate highlights the tension between fostering innovation and ensuring AI security, with major players like Nvidia and Palantir pushing for open collaboration to advance AI capabilities safely.