Group 1 - China's contribution to the global open-source ecosystem for large models has reached 18.7%, ranking second after the United States at 37.4%, with both countries accounting for over 55% of the total contributions [2] - MiniMax has launched its new music generation model, Music 1.5, which supports music creation of up to 4 minutes and allows users to generate high-quality songs with just a few keywords or a natural language description [2] - NVIDIA and OpenAI are in discussions regarding a significant investment to enhance AI infrastructure in the UK, potentially amounting to several billion dollars [2] Group 2 - xAI, the AI startup founded by Elon Musk, has laid off 500 employees, approximately one-third of its data annotation team, as part of a strategic shift to prioritize the expansion of its professional AI mentor team [2]

经济观察网9月12日，MiniMax发布新一代音乐生成模型Music1.5，在音乐生成时长、控制精度、编曲 表现等多个维度有所提升，生成时长支持4分钟的音乐创作。 ...