过去20年，搜索领域经历了数次变革性的代际跃迁。 从2001年中国初代自研的网页搜索引擎上线，填补中文搜索空白，到2019年，ERNIE语义模型在搜 索上线，用户可以用自然语言、甚至口语化的问题来发起搜索，中文搜索的每一次技术迭代与功能升 级，本质都是对用户需求的精准呼应与深度满足。 如果说早期的搜索是帮人在信息海洋中"捞针"，依靠关键词匹配实现从无到有的信息触达，那么如今 的搜索早已超越了单纯的信息检索范畴，成为连接人、信息与服务的核心纽带。 AI时代，当下用户的搜索需求正在发生质的变化， 更多此前没有被用户所表达的需求正在被释放出 来。 无论是规划一场旅行，还是构思一条创意内容，人们希望通过一次搜索就能获取完整结果。 显然，传统搜索"只给原料不给成品"的碎片式供给，已无法匹配用户的整体性需求。 在大模型技术全面渗透的当下，11月13日，百度宣布重塑搜索系统，正式发布"百度猎户座"AI引 擎。其作为搜索背后的超级大脑，通过对信息、工具、富媒体内容、服务的统一链接与深度融合，正 重新定义AI时代的搜索。这一变革也直接将搜索行业推向了转型临界点，一场全新的范式革命已然 到来。 搜索行业重塑 今年7月，百度搜索团 ...

Group 1 - The core point of the news is the performance of the AI sector in the Chinese stock market, particularly the decline of the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index and the performance of the constituent stocks [1] - The Sci-Tech AI ETF (588790) has seen a decline of 1.04%, with a latest price of 0.76 yuan, while it has accumulated a rise of 15.51% over the past three months [1] - The liquidity of the Sci-Tech AI ETF shows a turnover rate of 1.71% with a transaction volume of 1.04 billion yuan, and an average daily transaction volume of 396 million yuan over the past year [1] Group 2 - Baidu has announced the launch of its "Orion" AI engine, which opens up its 25 years of search technology and advanced AI capabilities to the public [1] - Microsoft CEO Satya Nadella discussed the company's progress in self-developed chips and its partnership with OpenAI, indicating that Microsoft will have access to OpenAI's models until 2032 [2] - According to CITIC Securities, both Chinese and U.S. tech stocks have performed well since 2025, with the computing power sector leading the market [2] Group 3 - The Sci-Tech AI ETF has seen a significant growth of 1.31 billion yuan in size over the past week [3] - The ETF's shares have increased by 315 million shares in the last week, with a net outflow of 16.01 million yuan recently [4] - The top ten weighted stocks in the Sci-Tech AI Index account for 70.92% of the index, with companies like Lanqi Technology and Kingsoft Office among them [4]

Core Insights - Baidu has officially launched the "Baidu Orion" AI engine, aimed at transforming its search system [1] - The Orion engine integrates a base model, search AI API, MCP, and specialized capabilities, leveraging multi-agent collaborative architecture [1] - The new system is designed to connect information, tools, services, models, and interfaces, enhancing Baidu's search technology and domain-specific expertise [1] Company Developments - Baidu Orion is now open for external access, allowing enterprises and developers to easily integrate and utilize its native capabilities for creating customized AI applications [1] - Several Baidu search products are receiving upgrades, including the Wenxin Assistant, which will introduce the "Bubbling" feature for personalized user experiences [1] - A new video generation feature called "Reference Generation" will enable users to upload a photo to create personalized characters while maintaining consistency across various multimedia content [1] - Baidu's AI short drama creation platform is also being launched, offering over 300,000 quality novel and TV IPs along with comprehensive AI short drama creation tools for free [1]