Meta Platforms (META) has introduced Muse Glimmer, a compact open-weight AI model optimized for agentic tasks that can operate on a single-graphics-card Mac or PC to support on-device AI demand. Open-weight models are gaining traction for their lower costs, customizable components, and utility in areas like cybersecurity, prompting Meta to adopt distillation techniques and independent-director oversight for model safety releases. Meta Platforms (META) has released Muse Glimmer, a compact open-weight AI model engineered specifically for agentic tasks and capable of operating on a Mac or PC equipped with a single graphics card, targeting the growing preference for systems that function directly on user devices rather than relying on remote infrastructure. Open-weight models, which provide publicly accessible core components that facilitate customization, stand in contrast to the closed-source offerings maintained under full control by frontier developers. The Trump administration has indicated it will refrain from subjecting open-weight AI models to voluntary safety tests.