China’s dominance in open-weight artificial intelligence faces a fresh challenge from Meta Platforms, whose renewed push into open-source models could lure away American customers anxious about looming regulatory restrictions in Washington, analysts say. The US tech giant on Monday launched Muse Glimmer, a 30-billion-parameter open-weight model light enough to run locally on personal computers, while also announcing plans to release the weights of its latest flagship Muse Spark 1.2 model. In a...