As talks deteriorated, Michael began negotiating a fallback deal with OpenAI — a company whose CEO, Sam Altman, had been actively courting the Trump administration. Hours after the Pentagon's deadline passed without a deal, Altman announced that OpenAI had reached an agreement with the Defense Department.
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YuanLab.ai团队正式开源发布“源Yuan3.0 Ultra”多模态基础大模型。作为源3.0系列面向万亿参数规模打造的旗舰模型，成为当前业界仅有的三个万亿级开源多模态大模型之一。Yuan3.0 Ultra采用统一多模态模型架构，由视觉编码器、语言主干网络与多模态对齐模块组成，实现视觉与语言信息的协同建模。其中，语言主干网络基于混合专家（MoE）架构构建，包含103层Transformer，训练初始阶段参数规模1515B，通过LAEP方法创新，团队在预训练过程中将模型参数优化至1010B，预训练算力效率提升49%。Yuan3.0 Ultra的激活参数为68.8B。此外，模型还引入了Localized Filtering Attention（LFA）机制，有效强化对语义关系的建模能力，相比经典Attention结构可获得更高的模型精度表现。
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