On August 28, 2025, Baidu Intelligent Cloud's Qianfan platform underwent a significant upgrade to version 4.0, unveiling a comprehensive enterprise-level service platform centered around the Agent technology. This new iteration boasts the integration of the "Steam Engine" video generation model and a suite of tailored specialized models, alongside the introduction of the RFT fine-tuning tool chain, significantly enhancing the model library's diversity and capabilities. Concurrently, the platform has enhanced its Agent orchestration framework, now supporting multimodal RAG (Retrieval-Augmented Generation) and multi-agent collaboration, further solidifying its enterprise-level service offerings. Additionally, the data intelligence platform has seen improvements in multimodal data management efficiency, enabling end-to-end detection and empowering developers to build AI applications with unprecedented efficiency.