人工智能周报（25年第43周）：OpenAI推出AI浏览器，DeepSeek发布开源DeepSeek-OCR模型-20251028

Investment Rating - The report maintains an "Outperform" rating for the AI industry, indicating expected performance above the market benchmark [3][4]. Core Insights - The AI sector has demonstrated significant impacts on the advertising business of internet giants, cloud computing scenarios, and corporate efficiency, as evidenced by Tencent's advertising growth of 20% in Q2 and Alibaba Cloud's acceleration to 26% [2][29]. - Recent developments include the launch of proprietary chips by companies like Baidu and Alibaba, which are expected to enhance market share through a complete chain layout of chips, models, and applications [2][29]. - The report recommends focusing on the AI mainline, highlighting companies such as Tencent Holdings, Alibaba, Kuaishou, Baidu Group, Meitu, and Tencent Music, which are less correlated with macroeconomic fluctuations [2][29]. Summary by Sections Company Dynamics - OpenAI launched the AI browser ChatGPT Atlas, integrating large models into web browsing processes, enhancing automation capabilities [15]. - Meta restructured its AI team, laying off 600 employees to focus on advanced model development while increasing its capital expenditure limit to $72 billion [17]. - Google upgraded its AI Studio with "vibeCoding," streamlining the development process and enhancing its competitive edge in the Gemini ecosystem [18]. - Huawei released HarmonyOS 6, enabling cross-ecosystem data transfer and introducing AI capabilities for various applications [19]. - Alibaba's Quark launched a dialogue assistant, marking the first outcome of its internal "C Plan" [20]. - Tencent is set to release the ima2.0 version, enhancing its AI productivity tools [21]. Underlying Technologies - DeepSeek introduced the open-source DeepSeek-OCR model, achieving a 7-20 times increase in text token efficiency while maintaining over 97% accuracy [22]. - Tencent released the WorldMirror model, a unified 3D reconstruction model that significantly improves processing efficiency [23]. - Baichuan Intelligent launched the Baichuan-M2 Plus model, addressing the credibility of medical AI through a six-source evidence reasoning paradigm [24]. - The Hong Kong University of Science and Technology released the DreamOmni2 model, enhancing multi-modal creative capabilities [25]. Industry Policies - The 18th meeting of the 14th National People's Congress reviewed amendments to the cybersecurity law, proposing a framework for AI safety and development [27]. - The Ministry of Science and Technology outlined core directions for AI development during the 14th Five-Year Plan, focusing on foundational research and international cooperation [28].