人工智能专题研究（二）：Sora发布后，重新审视AI的发展走向

Investment Rating - The industry investment rating is "Outperform the Market" with an expected increase of over 10% relative to the CSI 300 index in the next six months [28]. Core Insights - The release of OpenAI's Sora has reignited significant market interest in AI, showcasing advancements in video generation capabilities [6]. - The rapid iteration of AI technology is evident, with notable developments from ChatGPT to Sora, indicating a fast-paced evolution in the field [7]. - The demand for computational power and electricity has surged, with GPUs becoming the primary requirement for data centers, leading to a comprehensive upgrade of data center equipment [10]. - The AI sector is poised to trigger a fourth industrial revolution, reshaping global competitive dynamics among nations [10]. Summary by Sections 1. Sora's Impact on AI - The launch of Sora has significantly improved video realism and usability, marking a step closer to achieving general artificial intelligence [6]. 2. Deep Impacts of AI - The potential changes brought by large model AI include accelerated technological iteration, increased computational and electrical demands, and the erosion of competitive barriers in various industries [7][10]. 3. Nvidia and AMD Market Dynamics - Nvidia's data center revenue reached $18.404 billion, with a year-on-year growth of 409% and a quarter-on-quarter increase of 27% [18]. - AMD has raised its forecast for the AI accelerator market, predicting it will reach $400 billion by 2027, up from a previous estimate of $150 billion [19]. 4. Domestic AI Chip Supply Challenges - The U.S. has intensified restrictions on AI chip exports, leading to a shortage of GPUs in China, while domestic chip manufacturers are gaining more attention [19]. 5. AI's Role in Cloud Migration - The top four global cloud computing companies have shown accelerated revenue growth, with significant capital expenditures from Microsoft and Google reaching historical highs [21][22].