摘要：

Abstract:

【Purpose/significance】This study aims to conduct a comparative analysis of the discussion topics regarding China's genera⁃

tive AI product, DeepSeek, on the Chinese social media platform Weibo and the American platform X. The analysis reveals the differ⁃

ences in user-discussed topics across different social media platforms, providing data-driven insights for the formulation of cross

cultural science communication strategies and the global adaptation of domestic AI products.【Method/process】Data were collected

from Weibo and X using the keyword“DeepSeek.”The BERTopic model was applied for topic identification, followed by cluster analy⁃

sis of the topic terms. A comparative analysis was then conducted based on dimensional aspects, integrating existing literature and ex⁃

pert opinions.【Result/conclusion】The discussion themes about DeepSeek on Weibo and X platforms differ across dimensions such as

technological advancements, user experience, application scenarios, policy environment, and risk ethics.【Innovation/limitation】This

study incorporates a cross-cultural perspective in the comparative analysis, which helps to enhance the understanding of cultural dif⁃

ferences in public perceptions of technology and offer valuable insights for future cross-cultural science communication and social me⁃

dia analysis.