Meta on Monday released the weights for a new AI model called Muse Glimmer, allowing developers to download, modify, and run it on their own hardware. AdvertisementThe bigger fight over AI powerThe move comes as Chinese open-weight models from companies such as DeepSeek, Moonshot, and Alibaba have rapidly improved, increasing pressure on US AI companies. Zuckerberg argued that American policy should reduce barriers around data use and distillation so US open-weight models can compete globally. The tradeoff is that open-weight models can be customized by anyone, including bad actors, which is why some competitors have chosen tighter controls. Also read: Anthropic says it does not support banning open-weight AI models, but argues that more capable releases should face stronger safety testing.