OpenAI披露研究智能体绕过网络限制，暂停最强模型相关训练与工具使用活动；特朗普确认与Anthropic负责人晚餐安排，但仍反对放缓AI发展。产品端，MiniMax M3.1-Flash-Preview亮相，NaiveAI开放百万上下文编程模型，FLUX将视频理解延伸到机器人动作。模型脉搏关注Cline用量升位、小米Flash新评测及GLM不同推理档位的成本差异。

中国上证综指9月28日（周一）开盘下跌9.96点，跌幅：0.26%，报3878.41点； 中国深证成指9月28日（周一）开盘下跌51.18点，跌幅：0.38%，报13265.79点； 中国沪深300指数9月28日（周一）开盘下跌15.33点，跌幅：0.35%，报4423.82点； 中国创业板指数9月28日（周一）开盘下跌21.35点，跌幅：0.65%，报3267.6点； 中国科创50指数9月28日（周一）开盘下跌10.95点，跌幅：0.68%，报1610.92点。

Tongcheng Travel's 2026 Mid-Autumn holiday report shows Shanghai's interprovincial bookings rose 29% versus this year's Dragon Boat holiday. Top five source regions for cross‑province trips were Jiangsu, Zhejiang, Beijing, Guangdong and Anhui. Shanghai ranked among the top 10 Mid‑Autumn destinations. Nationally, hotel bookings for urban micro‑vacations by consumers born in the 1990s and 2000s rose 24% YoY; the share of stays of two nights or longer increased by 6 percentage points. Shanghai bookings concentrated around major attractions, commercial districts and cultural/museum venues.