Core Insights - The event on October 28 marked the launch of AtomGit's upgrade and the AI open-source community, emphasizing the importance of open-source as a foundation for technological competition and industry collaboration [4]. Group 1: Open Source Initiatives - Baidu has led over 1,000 open-source projects, with more than 21,000 contributors in the community [1]. - Since 2009, Baidu has been involved in open-source projects, including the large-scale customization of Hadoop, and has released projects like PaddlePaddle, Apollo, and ECharts [4]. - Baidu's dual-layer open-source model, exemplified by PaddlePaddle and the Wenxin model, has released 10 models in the ERNIE 4.5 series, with parameter scales of 47 billion and 3 billion for mixed expert models, and 0.3 billion for dense parameter models [4]. Group 2: Community Engagement and Impact - As of September 2025, PaddlePaddle has over 90 open-source repositories with a total of more than 220,000 stars, and the Wenxin ecosystem has reached 23.33 million developers and served 760,000 enterprises [5]. - The Xinghe community offers comprehensive services to developers, including 7 million practical projects, over 600 open courses, and more than 400 AI competitions [5]. - Baidu's open-source models have consistently ranked at the top of international model leaderboards, with the latest model, ERNIE-4.5-21B-A3B-Thinking, achieving first place in both global and text model trend rankings [5].