Here are the 24 US AI startups that have raised $100M or more in 2025

The AI sector experienced a groundbreaking year in 2024, with 49 startups successfully completing funding rounds of $100 million or more, as reported by TechCrunch. Among these, three companies achieved the remarkable feat of securing more than one 'mega-round,' while seven companies reached funding milestones of $1 billion or greater. As we venture into 2025, the anticipation builds to see if this momentum will persist. The early months of the year have already shown promise, with several billion-dollar funding rounds reported. Notably, the first quarter of 2025 has outpaced the previous year's Q1 in terms of AI mega-rounds closed within the United States. This report has been updated to reflect the latest developments, including a comprehensive list of U.S. AI companies that have raised at least $100 million so far this year. The information was refreshed on April 23 and June 18, ensuring the inclusion of the most recent deals. Additionally, it has been clarified that Abridge, a notable player in the sector, was founded in Pittsburgh, although it is no longer based there.