9 US AI Startups That Raised Over $100M in 2025 – Anthropic, Together AI & More

9 US AI Startups That Raised Over $100M in 2025 – Anthropic, Together AI & More

Last year was a monumental year for the AI industry in the U.S. and beyond. Image:Google There were 49 startups that raised funding rounds worth $100 million or more in 2024, per count. Three companies raised more than one “mega-round” last year, and seven companies raised rounds at $1 billion or larger. How will 2025 compare? It’s still early in the year but the number of U.S. AI companies that have raised more than $100 million is almost in double digits, and there has already been one round larger than $1 billion. Here are all the U.S. AI companies that have raised more than $100 million so far this year. March AI research and large language model company Anthropic raised $3.5 billion in a Series E round that valued the startup at $61.5 billion. The round was announced on March 3 and was led by Lightspeed with participation from Salesforce Ventures, Menlo Ventures, and General Catalyst, among others. February Together AI, which creates open source generative AI and AI model development inf…