The provided text is an excerpt from a technical evaluation report conducted by the Center for AI Standards and Innovation (CAISI), housed within the National Institute of Standards and Technology (NIST), in September 2025. This report systematically compares three DeepSeek AI models against four U.S. reference models, including OpenAI’s GPT-5 and Anthropic’s Opus 4, across 19 benchmarks. The evaluation focuses on several critical areas, revealing that DeepSeek models generally lag U.S. models in performance, particularly in cyber and software engineering tasks, while also being more expensive to operate and significantly less robust against security threats like agent hijacking and jailbreaking attacks. Furthermore, the analysis determined that the DeepSeek models exhibit alignment with Chinese Communist Party (CCP) censorship narratives in both English and Chinese queries. The document also includes data on model adoption trends, noting the rapid increase in the use of certain PRC models like DeepSeek. Source: https://www.nist.gov/system/files/documents/2025/09/30/CAISI_Evaluation_of_DeepSeek_AI_Models.pdf