Here are the 49 US AI startups that have raised $100M or more in 2025

The landscape of the AI industry in the United States has witnessed remarkable growth recently. In 2024, 49 startups successfully secured funding rounds exceeding $100 million, marking a significant milestone in the sector. Notably, three companies achieved the impressive feat of raising more than one 'mega-round,' while seven startups garnered rounds of $1 billion or more. As we approach the end of 2025, the momentum appears to be continuing, with the number of U.S. companies raising funds of $100 million or more matching the previous year's figures. This year has also seen an increase in the number of startups that have completed multiple funding rounds exceeding $100 million, showcasing a thriving investment climate in the AI space. This article has been updated periodically throughout the year to include the latest financial developments in the AI sector, reflecting the dynamic nature of funding in this rapidly evolving field.