More than 20 of the biggest names in technology are pushing back against the idea of clamping down on "open" artificial intelligence. On Friday, July 24, Nvidia, Microsoft, Meta, Palantir, the venture firm a16z and others signed a joint letter defending open-source AI, according to The Information and CNBC.
At the center of the debate is so-called open-weight AI — models whose underlying parameters are released publicly, so anyone can download, study and build on them. In the letter, the companies urge lawmakers to avoid "premature restrictions" that would "stifle competition or drive innovation overseas," per CNBC's Ashley Capoot.
The timing is pointed. TechCrunch reports the push comes as Washington debates how to respond to Chinese AI and alleged "distillation" of American models, and SiliconANGLE notes it follows a report that some in the Trump administration are weighing restrictions. Bloomberg framed the coalition's call as coming "after Kimi," a nod to Chinese open-weight models gaining ground against U.S. offerings. The Financial Times summed it up as Nvidia and Palantir urging the U.S. not to ban open models "after China scare."
The letter drew an unusual spotlight because Nvidia CEO Jensen Huang chose it for his first-ever post on X, according to Business Insider and The Information. Huang argued that open models strengthen cybersecurity, and — as TradingView reported — made the case that "the world needs both" open and closed AI.
Notably, two leading AI labs sat this one out: CNBC reports that OpenAI and Anthropic did not sign. Mistral, however, was among the signatories, per TechCrunch.
Why it matters: how Washington treats open-weight models could decide whether the next wave of AI is built in the open by many players or locked inside a handful of closed systems — with competitiveness against China hanging in the balance.