人工智能研究框架：大模型白热化，应用加速分化

Investment Rating - The industry investment rating is "Outperform" [1] Core Insights - The report highlights the rapid development of large models and the acceleration of multimodal applications, with closed-source models gradually regaining an advantage over open-source ones [2][4] Summary by Sections Large Models - The development of multimodal technology is still evolving, with both domestic and international major players continuously refreshing state-of-the-art (SOAT) benchmarks [4][11] - Closed-source models are beginning to maintain performance advantages after the open-source wave, with significant advancements in video and image generation capabilities [4][19] Computing Power - Capital expenditures (Capex) from major cloud service providers (CSPs) are increasing, with chip manufacturers accelerating the release of new versions of chips [29][32] - Major CSPs like Microsoft, Google, Meta, and Amazon have raised their Capex guidance, indicating a strong focus on AI infrastructure [32][35] Applications - There is a noticeable acceleration in application differentiation overseas, particularly in complex B2B scenarios that integrate with data [47][64] - Companies that effectively leverage AI to enhance their core business operations are seeing significant revenue growth, particularly in the B2B sector [47][56]