Here are 33 US AI startups that raised over $100 million in 2025:

Last year was monumental to the American and beyond the AI ​​industry.

According to counts at TechCrunch, there were 49 startups raising more than $100 million in 2024. Three companies raised multiple “mega rounds,” while seven companies raised more than $1 billion rounds.

How will 2025 compare? With only a few weeks left in the third quarter, it appears that the momentum for 2024 will continue this year. There are already billion-dollar rounds this year, with multiple companies raising multiple mega rounds.

Here are all the US AI companies that raised $100 million this year:

August

• Healthcare and Housing Automation Platform eliseai It raised $250 million in the Series E round, which valued the startup at $2.2 billion. The round, announced on August 20th, was led by Andreessen Horowitz.
• I'll cut itAI Research Lab raised $100 million at a valuation of $3.1 billion. The round includes Sequoia Capital, Benchmark, and Zeev Ventures, among others, and was announced on August 7th.

July

• Generated Media Platform Fal It raised a $125 million Series C round led by Meritech Capital Partners. On July 31, the company announced a round valued FAL at $1.5 billion. SalesforceVentures, Shopify Ventures, Google AI Futures Fund and others participated in the round.
• 5 years old Ambience Healthcarehas raised a $243 million Series C round led by Oak HC/FT and Andreessen Horowitz as it builds an AI healthcare operating system. Kleiner Perkins, Openai Startup Fund, Smash Capital and others also participated in the round.
• Reka AiAI lab has raised $110 million in rounds that include Snowflake and Nvidia. The Series B Round was announced on July 22nd, valueating the company at $1 billion.
• AI Research Lab Thinking Machine Lab It confirmed that it raised $2 billion on July 15th. This considerable seed round was led by Andreessen Horowitz with participation from Nvidia, Accel, AMD and others. The Round values ​​the company at $12 billion.
• Based in Cambridge, Massachusetts evidencebuilding an AI-driven search tool for clinicians, raising $210 million at a $3.5 billion valuation. The Series B round was announced on July 15th and was led by Kleiner Perkins and GV.
• Harmonicsbuilding a mathematical inference engine, so it raised a $100 million Series B round led by Kleiner Perkins. The round was announced on July 10th, valued the company at $875 million.

June

• Healthcare AI Unicorn Applidge It announced it has raised a $300 million Series E round valued at $5.3 billion. The round was led by Andreesen Horowitz, with Khosla Ventures taking part. It was the company's second round in 2025.
• HarveyIt announced on June 23 that it had raised its second $300 million round of 2025 when building AI tools for the legal industry. This latest Series E-round was co-led by Kleiner Perkins and Coatue, bringing the company's valuation to $5 billion.
• Healthcare AI Startup tennr It announced that it has raised a $101 million Series C round led by IVP, along with participation from Lightspeed Venture Partners, GV, Andreessen Horowitz and others. The Round values ​​the company at $605 million.
• Enterprise Search Startup collection It continues to praise it in cash. The company announced its $150 million Series F round on June 10th. This is led by Wellington Management, with participation from Sequoia, Lightspeed Venture Partners and Kleiner Perkins. Glean is currently valued at $7.25 billion.
• AnysphereAI Research Lab behind the AI ​​Coding Tools Cursor has raised a significant $900 million Series C round that values ​​the company at nearly $10 billion. The round was led by Thrive Capital with participation from Andreessen Horowitz, Accel and DST Global.

May

• Startup of AI Data Labels Snorkel AI On May 29th, the company announced its $100 million Series D round, valued the company at $1.3 billion. The round was added with participation from Prosperity7 Ventures, Lightspeed Venture Partners and GreyLock.
• LMARENAa popular community-driven benchmarking tool for AI models, has raised a $100 million seed round valued at $600 million. The round was announced on May 21st and was co-led by Andreessen Horowitz and UC Investments. Lightspeed Venture Partners, Kleiner Perkins and Felicis also participated.
• Las Vegas-based AI Infrastructure Company Tensor wave On May 14th, the $100 million Series A round was announced. The round was co-led by Magnetar Capital and AMD Ventures, and was joined by Prosperity7 Ventures, Nexus Venture Partners and Maverick Silicon.

April

• Sandboxaq On April 4, the $450 million E-Round was closed, valued the AI ​​model company at $5.7 billion. The round included Ray Dalio, founder of Nvidia, Google and Bridgewater Associates, among other investors.
• RunwayIt created an AI model for media production and raised the $308 million Series D round, which was announced on April 3rd, valued at $3 billion. It was led by the Atlantic General. SoftBank, Nvidia and Fidelity also participated.

march

• aiheemoth Openai It raised a record-breaking $40 billion funding round valued the startup at $300 billion. The round, which was closed on March 31, was led by SoftBank, with participation from Thrive Capital, Microsoft, Coatue and others.
• March 25th, Nextop AIAI Infrastructure Company has announced that it has raised a Series A round led by Lightspeed Venture Partners. The $110 million round also included Kleiner Perkins, Battery Ventures and Emergent Ventures.
• Cambridge based in Massachusetts Insilico medicine As announced on March 13, it raised $110 million from an AI-powered, generated drug discovery platform. The Series E round valued the company at $1 billion and was co-led by Value Partners and Pudong Chuangtou.
• AI Infrastructure Company Celestial AI It raised a $250 million Series C round valued the company at $2.5 billion. The March 11th round was led by Fidelity, which includes Tiger Global, BlackRock and Intel CEO Lip-Bu Tan.
• Lira Science We raised a $200 million seed round to create the Science Superintelligence Platform. The round was led by flagship pioneers. The Cambridge, Massachusetts-based company received funding, among other things, from the capital, the general catalyst, and the Ark Venture Fund in March.
• Based in Brooklyn Reflection.airaising a $130 million Series A round valued at $580 million, the company from a year ago, as if it were trying to build a close autonomous system. The round was led by Lightspeed Venture Partners and CRV.
• AI coding startup Turing The Series E round was closed on March 7th, when it valued the startups affiliated with LLM companies at $2.2 billion. The $111 million round was led by Kazana Nacional, with participation from Westbridge Capital, Gaingels and Sozoventure, among others.
• Shield aiThe AI ​​Defense Technology startup raised $240 million in the Series F round, which closed on March 6th. The round was co-led by L3Harris Technologies and Hanwha Aerospace, with participation from Andreessen Horowitz and the US Fund for Innovation and Technology. The Round valued the company at $5.3 billion
• AI Research and Large Language Modeling Company Humanity It raised $3.5 billion in the Series E round, which valued the startup at $61.5 billion. The round was announced on March 3rd and was led by Lightspeed with participation from Salesforce Ventures, Menlo Ventures, General Catalyst and others.

February

• Ai togethercreating an open source generation AI and AI model development infrastructure, raised a $35 million Series B round, valued at $3.3 billion. The February 20th round was co-led by Prosperity7 and General Catalyst, along with participation from Salesforce Ventures, Nvidia, Lux Capital and others.
• AI Infrastructure Company lambda It raised the $480 million Series D round announced on February 19th. The round valued the startup at nearly $2.5 billion, co-led by SGW and Andra Capital. Nvidia, G Squared, Ark Invest and others also participated.
• Applidgethe AI ​​platform that transcriptions of patient clinician conversations was valued at $2.755 billion in the Series D round announced on February 17th. The $250 million round was jointly conducted by IVP and Elad Gil. Lightspeed, Redpoint and Spark Capital also participated.
• Eudiathe AI ​​legal tech company raised $105 million in the Series A round led by General Catalyst. Floodgate, Defy Ventures, and Everywhere Ventures also took part in the round, along with other VC companies and numerous angel investors. The round was closed on February 13th.
• AI Hardware Startup Induces ai It raised a $100 million Series B round that was closed on February 13th. The round was led by Tiger Global with participation from Scout Ventures, Samsung Ventures and RTX Ventures. The Santa Clara-based business was founded in 2022.
• AI Legal Technology Company Harvey It raised a $300 million Series D round, valued the company three years ago at $3 billion. The round was led by Sequoia and was announced on February 12th. OpenaiStartupFund, Kleiner Perkins, Elad Gil and others also participated in Rais.

January

• Synthetic voice activation evelenlabs It raised a $180 million Series C round valued at over $3 billion. It was announced on January 30th. The round was co-led by Iconiq Growth and Andreessen Horowitz. Sequoia, NEA, Salesforce Ventures and others also participated in the round.
• Hippocrates AIIt developed a large-scale language model for the healthcare industry and announced the $141 million Series B round on January 9th. The round was valued at over $1.6 billion and was led by Kleiner Perkins. Andreessen Horowitz, Nvidia and General Catalyst also participated.

This work was updated on April 23rd, June 18th and August 27th, with more deals included.

This work was updated to remove Appridge being based in Pittsburgh. The company was established there.