TMT行业周报（11月第2周）：国内外大模型迎来更新迭代-20251117

Investment Rating - The report does not explicitly state an investment rating for the industry [1]. Core Insights - The TMT sector experienced a decline in the week of November 10-14, with the overall TMT sector underperforming the CSI 300 index. The media sector fell by 1.36%, computer by 3.03%, electronics by 4.77%, and communications by 4.77%. The top-performing sub-industries included portal websites (2.39%), communication engineering and services (1.57%), and panels (0.69%). Conversely, passive components (-9.72%), printed circuit boards (-9.15%), and communication network devices (-6.98%) saw significant declines [3][5]. - Recent updates in large models include OpenAI's release of the GPT-5.1 series, which focuses on enhancing interaction experience and reasoning efficiency. The domestic model Kimi K2 Thinking, released by Moonlight Dark Side, supports continuous multi-round tool calls and autonomous reasoning, achieving state-of-the-art performance in various benchmarks [3][5]. - The report highlights a significant acceleration in the iteration of domestic open-source models compared to overseas closed-source competitors, suggesting a narrowing performance gap and an optimistic outlook for domestic models to capture market share due to their cost-effectiveness [3][5]. Weekly Market Review - The TMT sector's performance for the week was as follows: Media (-1.36%), Computer (-3.03%), Electronics (-4.77%), and Communication (-4.77%), with the overall TMT sector underperforming the CSI 300 index, which fell by 1.08% [3][5]. - The top three gainers in the electronics sector were ShenGong Co. (38.03%), BaiBang Technology (20.89%), and Victory Precision (19.24%). In the computer sector, the top gainers were Haixia Innovation (33.10%), Yingfang Software (19.30%), and Hengyin Technology (17.94%). The media sector saw gains from ZhiDeMai (16.31%), MingChen Health (14.91%), and TianXiaXiu (10.47%). The communication sector's top gainers included Online and Offline (46.55%), ZhongFuTong (30.69%), and MeiLiXin (11.87%) [3][5][12][13][6]. Industry News and Key Company Announcements - Significant events in the industry include the release of Baidu's Wenxin large model 5.0, which utilizes a multimodal ultra-sparse mixed expert architecture with over 2.4 trillion parameters. Additionally, the global AI model ranking system LMArena has ranked models from Anthropic, GPT-5, and China's ZhiPu GLM-4.6 as the top three in programming and code generation [15][18]. - Baidu's new Kunlun chips M100 and M300 were announced, targeting large-scale AI inference and multimodal model training, expected to launch in early 2026 and 2027, respectively [21][22]. - The report notes that Tencent's president stated the company does not perceive itself as lagging in the AI race, emphasizing the competitive landscape among domestic models [15][18].