百度（Baidu, Inc.） 是中国领先的 AI 科技与互联网公司，2000 年 1 月 1 日由李彦宏、徐勇创立于北京中关村，总部位于北京，纳斯达克上市（股票代码：BIDU）。
一、发展历程（关键节点）
2000 年：公司成立，初期为门户网站提供搜索技术服务。
2001 年：推出独立搜索引擎baidu.com，首创竞价排名商业模式。
2003 年：上线百度贴吧，引领中文 Web 2.0 时代。
2005 年：纳斯达克上市，首日涨幅达354%，创当时美股纪录。
2010 年后：移动互联网转型，布局移动生态、智能云、AI等业务。
2017 年至今：全面聚焦AI 战略，发力文心大模型、自动驾驶（Apollo）、智能云等。
二、核心业务与产品
搜索与移动生态
百度搜索：全球最大中文搜索引擎，覆盖网页、资讯、图片、视频、学术等。
百度 App：综合搜索与信息流入口，集成搜索、百家号、短视频、直播等。
百度贴吧 / 知道 / 百科：中文社区与知识问答平台。
** hao123**：导航网站，早期重要流量入口。
智能云（百度智能云）
提供云计算、AI 开发平台、企业解决方案，服务政企、工业互联网、金融、医疗等领域。
人工智能（AI）
文心一言（ERNIE）：百度自研生成式大模型，具备对话、创作、代码、多模态理解等能力。
百度大脑：AI 核心技术平台，涵盖自然语言处理、计算机视觉、语音识别、深度学习框架（飞桨 PaddlePaddle）。
自动驾驶（Apollo）：全球领先的自动驾驶开放平台，推出萝卜快跑自动驾驶出行服务。
小度科技：智能音箱、智能屏等 IoT 设备，构建智能家居生态。
内容与服务
爱奇艺（iQIYI）：长视频平台，提供剧集、电影、综艺、动漫等内容。
三、企业文化与愿景
使命：用科技让复杂的世界更简单。
愿景：成为最懂用户、帮助人们成长的全球顶级高科技公司。
核心价值观：简单可依赖，坚持技术信仰，长期投入硬科技。
四、市场地位与影响
中文搜索：长期占据中国搜索市场主导份额。
AI 全栈布局：全球少数同时具备芯片、框架、大模型、应用四层自研能力的科技公司。
社会责任：参与数字公益、科技扶贫、应急搜索、AI 伦理治理等项目。
五、总结
百度已从单一搜索引擎公司，转型为AI 驱动的全栈科技企业，业务覆盖搜索、云、AI、自动驾驶、智能硬件、内容服务等，是中国互联网与 AI 产业的核心力量之一。

Our mission is to make the complicated world simpler through technology.

We are a leading AI company with a strong internet foundation. We have been consistently investing in AI since 2010 to advance our technological capabilities, enhance our search functionality and boost overall monetization. The breadth and depth of our AI capabilities provide the differentiating foundational technologies that power all of our businesses.

We are one of the very few companies in the world that offers a full AI stack of four layers, including cloud infrastructure, in-house developed deep learning framework PaddlePaddle, self-developed ERNIE foundation models, and applications. We have put our leading AI capabilities into our products and services, as well as innovative use cases. Over the past two decades, we have built a diversified portfolio of products and services with large market opportunities. Our businesses span across an ecosystem of hundreds of millions of users, tens of millions of developers and hundreds of thousands of enterprises. 

Baidu is composed of two segments: 1) Baidu General Business, which accounted for over 70% of our revenue in the past three years, and 2) iQIYI, an online entertainment video service provider.

Baidu General Business mainly provides products and services in the following three key business areas:

• Mobile Ecosystem: a portfolio of over one dozen apps, including Baidu App, ERNIE Bot, Haokan and Baidu Post, among others;

• AI Cloud: including (i) AI Cloud Infrastructure, which comprises AI infrastructure and platform services serving enterprises and the public sector and (ii) AI Applications, which comprise AI-native or AI-powered product offerings addressing specific use cases for individuals and enterprises, such as our flagship software products, Baidu Wenku and Baidu Drive, and

• Intelligent Driving & Other Growth Initiatives: consisting of intelligent driving, including Apollo Go autonomous ride-hailing services and DuerOS smart assistant.

Baidu has been listed on the NASDAQ National Market (later renamed the Nasdaq Global Market) since August 2005, and has been dual-listed on the Stock Exchange of Hong Kong Limited (SEHK) since March 2021.

Company Overview | Baidu Inc