Nvidia, Palantir, Meta warn against ‘premature restrictions’ of open-weight models

Top US tech companies urge policymakers in open letter not to undermine competition and drive more users to Chinese AI systems

The challenge comes amid growing speculation that the Trump administration might introduce restrictions on open AI models.

These would aim to address national security risks of the fast-moving technology and combat the growing popularity of Chinese models, a move that critics say would instead hurt US innovation.

Open-weight models are AI models that are released for free on the internet, allowing anyone to download and customise them for different use cases.