Meta releases Muse Glimmer and Muse Spark 1.2, open-weight models with on-device focus

Meta released Muse Glimmer (30B, Apache 2.0) and Muse Spark 1.2, open-weight models emphasizing democratization and on-device capability. Safety evaluation reveals Muse Glimmer hallucinates 82%, but the release is a significant open-source AI model drop. The article highlights the trend of open-weight models closing the gap with closed giants.