NVIDIA, Microsoft, Palantir, and others sign open-weight AI letter to Congress

Major tech companies including NVIDIA, Microsoft, Palantir, Replit, Crowdstrike, Dell, and Perplexity AI signed a letter to Congress urging continued support for open-weight AI models. The letter, coordinated by a16z, argues open models strengthen safety and competition. AI leaders Hassabis, LeCun, and Altman publicly endorsed the initiative.