计算机行业周观点：谷歌：AI全栈闭环布局引领人工智能时代-20251109

Investment Rating - The report assigns an "Overweight" rating to the computer industry, indicating an expected increase in the sector's performance exceeding the market benchmark by more than 10% over the next 6-12 months [8] Core Insights - Google has established a comprehensive AI ecosystem consisting of "model (Gemini) + accelerator (TPU) + data center network (OCS) + applications (search + advertising + Android devices)," significantly enhancing efficiency in large-scale inference and cluster interconnectivity [1] - The Gemini series of large models, particularly Gemini 2.5 Pro, demonstrates exceptional capabilities in multi-modal processing, long-context understanding, and complex task execution, leading to a substantial increase in user engagement [2] - The TPU, a custom AI accelerator chip, has reached its seventh generation, achieving significant improvements in performance and efficiency, and has garnered external orders, validating its competitive advantages [3] - OCS serves as the optical foundation of Google's AI ecosystem, enhancing data center performance and reducing operational costs, thereby accelerating the maturity and expansion of the OCS ecosystem [4] Summary by Sections AI Model Development - The Gemini series continues to evolve, with Gemini 2.5 Pro showcasing advanced multi-modal capabilities and a user base exceeding 650 million monthly active users as of Q3 2025 [2] - The monthly token call volume for the model reached 1.3 trillion, reflecting over 20 times growth within a year [2] - The upcoming Gemini 3 model is expected to further enhance multi-modal data processing capabilities [2] TPU and OCS Infrastructure - TPU is designed specifically for machine learning and deep learning workloads, achieving a cluster scale of up to 9,216 chips with significant performance improvements [3] - OCS replaces traditional electrical switches in data centers, leading to measurable system-level benefits such as increased throughput and reduced power consumption [4]