【中信建投：推理侧及基础设施算力需求有望保持高景气】中信建投研报指出，9月3日，OpenAI发布新一代旗舰模型GPT-6 Astra，进一步强化复杂推理、代码生成、网页浏览、计算机操作及Agent自主执行能力，并支持文档、表格、PPT等复杂工作流，API上下文窗口约105万Token。博通FY2026 Q3实现营收295.9亿美元，同比增长86%，其中AI半导体收入167亿美元，同比增长221%，主要受定制AI加速器及高速网络需求驱动；Q4预计AI半导体收入217亿美元，同比增长236%。中信建投认为，大模型能力持续升级叠加海外云厂商资本开支扩张，推理侧及基础设施算力需求有望保持高景气，继续看好芯片、光模块、交换机及PCB等AI算力核心环节。
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