2024 was a landmark year for the AI industry. According to TechCrunch, 49 startups secured funding of $100 million or more, with seven raising over $1 billion and three receiving multiple rounds of "mega-funding."
This momentum has continued into 2025. Early in the year, the number of US AI companies securing over $100 million in funding is nearing double digits, with at least one round exceeding $1 billion. Below are the US AI companies that have received over $100 million in funding so far in 2025:
March
- Anthropic: The AI research and large language model company completed a $3.5 billion Series E funding round, valuing the company at $61.5 billion. Lightspeed Venture Partners led the round, with participation from Salesforce Ventures, Menlo Ventures, and General Catalyst. (Announced March 3rd)
February
Together AI: The open-source generative AI and model development infrastructure company secured $305 million in Series B funding, reaching a valuation of $3.3 billion. Prosperity7 and General Catalyst co-led the round, with participation from Salesforce Ventures, Nvidia, and Lux Capital. (February 20th)
Lambda: The AI infrastructure company completed a $480 million Series D funding round, bringing its valuation close to $2.5 billion. SGW and Andra Capital co-led the round, with participation from Nvidia, G Squared, and ARK Invest. (February 19th)
Abridge: The Pittsburgh-based medical AI platform received $250 million in Series D funding, reaching a valuation of $2.75 billion. IVP and Elad Gil co-led the round, with participation from Lightspeed, Redpoint, and Spark Capital. (February 17th)
Eudia: The AI legal tech company completed a $105 million Series A funding round, led by General Catalyst, with participation from Floodgate, Defy Ventures, and Everywhere Ventures. (February 13th)
EnCharge AI: The AI hardware startup secured $100 million in Series B funding, led by Tiger Global, with participation from Scout Ventures, Samsung Ventures, and RTX Ventures. (February 13th)
Harvey: The AI legal tech company raised $300 million in Series D funding, reaching a valuation of $3 billion. Sequoia Capital led the round, with participation from the OpenAI Startup Fund, Kleiner Perkins, and Elad Gil. (February 12th)
January
ElevenLabs: The synthetic speech startup secured $180 million in Series C funding, valuing the company at over $3 billion. ICONIQ Growth and Andreessen Horowitz co-led the round, with participation from Sequoia, NEA, and Salesforce Ventures. (January 30th)
Hippocratic AI: The developer of large language models for the healthcare industry completed a $141 million Series B funding round, reaching a valuation exceeding $1.6 billion. Kleiner Perkins led the round, with participation from Andreessen Horowitz, Nvidia, and General Catalyst. (January 9th)
