Open AI发新模型；千问App推30亿免单丨科技风向标

Group 1: Open AI Developments - Open AI has launched a new model, GPT-5.3-Codex, which enhances coding performance and reasoning capabilities, integrating the strengths of previous models and improving speed by 25% [2] Group 2: Xiaomi Automotive Updates - Xiaomi Automotive clarified rumors regarding the dissolution of the SU7 Ultra professional team, stating that sales strategies have been adjusted to improve customer service [4] - The company has reduced the safety mileage threshold for its assisted driving feature from 1000 km to 300 km to help users gradually familiarize themselves with the technology [5] Group 3: Meituan Acquisition - Meituan announced plans to acquire DINGDONG FRESH HOLDING LIMITED for an initial cost of $717 million (approximately 5 billion RMB), with certain conditions regarding cash extraction from the target group [6][7] Group 4: AI and Technology Innovations - Qianwen App launched a "Spring Festival 3 billion free order" campaign, allowing users to receive a 25 RMB no-threshold coupon for use in over 300,000 beverage stores [8] - Xiaoma Zhixing and Moer Thread have formed a strategic partnership to focus on L4 autonomous driving technology, utilizing domestic AI computing power for training and optimization [9] - The International Olympic Committee announced the creation of the first official Olympic large model based on Alibaba's Qianwen, aimed at enhancing service and information delivery during the Milan Winter Olympics [10] - Kuaishou's Keling AI has globally launched the 3.0 series model, which integrates video generation and editing into a unified workflow [11] Group 5: Aerospace and Semiconductor Developments - Fengfei Aviation successfully completed the conversion flight of its 5-ton eVTOL, marking a significant milestone in the eVTOL industry [12] - Intel and SoftBank's SAIMEMORY are collaborating to develop a new type of DRAM storage technology, aiming for prototype release by 2027 and commercialization by 2030 [13] - Texas Instruments announced the acquisition of Silicon Labs for approximately $7.5 billion, aiming to create a leading company in embedded wireless connectivity solutions [14] - Infineon announced a price increase for power switches and related chips starting April 1, 2026, due to rising demand and supply constraints [16] Group 6: Capital Market Activities - Kaide Quartz announced that Jiangfeng Electronics will become the controlling shareholder following a share transfer agreement [17] - Runze Technology is planning to issue convertible bonds to acquire minority stakes in Guangdong Runhui Technology [18] - Guoxuan High-Tech plans to raise no more than 5 billion RMB through a private placement to fund various battery projects [19] - Jinfeng Technology intends to acquire 51% stakes in Zhuohui Metal and Lianyi Thermal for a total consideration of up to 714 million RMB [20]