Here are the 33 US AI startups that have raised $100M or more in 2025

by | Aug 27, 2025 | Technology

Last year was monumental for the AI industry in the U.S. and beyond.

There were 49 startups that raised funding rounds worth $100 million or more in 2024, per our count at TechCrunch; three companies raised more than one “mega-round,” and seven companies raised rounds that were $1 billion in size or larger.

How will 2025 compare? With only a few weeks left in the third quarter, it looks like 2024’s momentum will continue this year. There have already been multiple billion-dollar rounds this year, and a handful of companies have raised more than one mega-round.

Here are all the U.S. AI companies that have raised $100 million this year:

August

Healthcare and housing automation platform EliseAI raised $250 million in a Series E round that valued the startup at $2.2 billion. The round, which was announced on August 20, was led by Andreessen Horowitz.

Decart, an AI research lab, raised $100 million at a $3.1 billion valuation. The round included Sequoia Capital, Benchmark, and Zeev Ventures, among others, and was announced on August 7.

July

Generative media platform Fal raised a $125 million Series C round led by Meritech Capital Partners. The company announced the round, which values Fal at $1.5 billion, on July 31. Salesforce Ventures, Shopify Ventures, Google AI Futures Fund, and others joined the round.

Five-year-old Ambience Healthcare, which is building an AI healthcare operating system, raised a $243 million Series C round that was led by Oak HC/FT and Andreessen Horowitz. Kleiner Perkins, OpenAI Startup Fund, Smash Capital, and others also participated in the round.

Reka AI, an AI research lab, raised $110 million in a round that included Snowflake and Nvidia. The Series B round was announced on July 22 and values the company at $1 billion.

AI research lab Thinking Machines Lab confirmed that it raised $2 billion on July 15. This sizable seed round was led by Andreessen Horowitz with participation from Nvidia, Accel, and AMD, among others. The round values the company at $12 billion.

Cambridge, Massachusetts-based OpenEvidence, which is building an AI-powered search tool for clinicians, raised $210 million at a $3.5 billion valuation. The Series B round was announced on July 15 and was led by Kleiner Perkins and GV.

Harmonic, which is building a mathematical reasoning engine, raised a $100 million Series B round led by Kleiner Perkins. The round was announced on July 10 and values the company at $875 million.

June

Healthcare AI unicorn Abridge announced it raised a $300 mi …

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