On November 29, during the 7th Shanghai International FinTech Forum, the Global FinTech Hub Development Index (2025) was officially unveiled. Taking into account the most recent trends in the FinTech sector, this index has refined its development metrics. Additionally, it has ventured into creating a sub-index specifically designed to gauge the extent of AI-driven financial advancements. The index carried out a thorough examination of the overall FinTech capabilities and the untapped potential for mutual enhancement between finance and AI in 22 key cities around the world. This analysis was conducted from multiple perspectives, including industry, technology, talent pool, institutional frameworks, and environmental factors. The insights gained from this study serve as valuable references for shaping industry growth strategies and formulating relevant policies. According to the findings, New York, Shanghai, Beijing, and San Francisco (Silicon Valley) secured the top four positions, earning them the title of 'Global Top FinTech Hubs'.