Last year was a monumental period for the AI industry in the United States and globally. In 2024, our count identified 49 startups that secured funding rounds of one hundred million dollars or more. Among these, three companies secured more than one mega-round, and seven companies raised rounds of one billion dollars or larger.
As we near the final month of this year, 2025 has already matched 2024 in the number of companies raising rounds of one hundred million dollars or more. There are also significantly more companies that have raised multiple funding rounds larger than one hundred million dollars this year compared to the last.
Here are all the U.S. AI companies that have raised one hundred million dollars or more this year.
In November, Anysphere, the maker of the viral coding platform Cursor, raised two point three billion dollars in a funding round that valued the company at twenty-nine point three billion dollars. The round was announced on November 13 and is the company’s second funding round this year.
Parallel, which builds web infrastructure for AI agents, raised a one hundred million dollar Series A round that was announced on November 12. The round was co-led by Index Ventures and Kleiner Perkins.
Healthcare AI agent startup Hippocratic AI raised a one hundred twenty-six million dollar Series C round that valued the company at three point five billion dollars. This was the company’s second round this year, announced on November 3 and led by Avenir Growth.
In October, Fireworks AI, a platform for building AI applications using open source models, raised a two hundred fifty million dollar Series C round announced on October 28. The round valued the company at four billion dollars.
Enterprise AI startup Uniphore is valued at two point five billion dollars after a two hundred sixty million dollar Series F round announced on October 22. The round included Snowflake Ventures, Nvidia, Databricks Ventures, and AMD, among others.
Sesame, a voice AI company, raised a two hundred fifty million dollar Series B round co-led by Sequoia and Spark Capital. The round was announced on October 21 and also included SignalRank as a participant.
Cambridge, Massachusetts-based OpenEvidence, which builds an AI chatbot for the medical field, raised its second funding round of 2025. The two hundred million dollar Series C round was announced on October 20 and valued the company at six billion dollars.
Lila Sciences, which is developing a science superintelligence platform, announced its second funding round of 2025 on October 14. The three hundred fifty million dollar Series A round was co-led by Braidwell and Collective Global.
DeepSeek competitor Reflection AI announced its second mega-round of the year on October 9. The two billion dollar Series B round valued the company at eight billion dollars and was led by Nvidia.
EvenUp, which builds AI for the personal injury legal field, announced a one hundred fifty million dollar Series E round that valued the company at more than two billion dollars on October 7. The round was led by Bessemer with participation from Lightspeed, Bain Capital, and SignalFire, among others.
In September, Periodic Labs, which is building an AI scientist, announced a three hundred million dollar seed round on September 30. Felicis and Andreessen Horowitz led the round with participation from Nvidia, Lightspeed, and Khosla Ventures, among others.
Cerebras Systems, an AI infrastructure company, raised a sizable one point one billion dollar Series G round that valued the company at eight point one billion dollars. The round was announced on September 30 and was co-led by Fidelity and Atreides Management.
Modular announced a two hundred fifty million dollar funding round on September 24. The round was led by US Innovative Technology Fund with participation from GV, Greylock, and General Catalyst, among others.
Distyl AI, which builds AI enterprise software, raised a one hundred seventy-five million dollar Series B round that was announced on September 23. This round valued the startup at one point eight billion dollars and included investors like Khosla Ventures and Lightspeed.
AI infrastructure startup Upscale AI raised a sizable one hundred million dollar seed round that was co-led by Maverick Silicon and Mayfield. The round was announced on September 17 and also included StepStone Group, Stanford University, and Qualcomm Ventures, among others.
Groq, an AI inference company, raised a seven hundred fifty million dollar Series E round that valued the company at nearly six point nine billion dollars. The round was announced on September 17 and was led by Disruptive.
AI training startup Invisible Technologies was valued at two billion dollars after a one hundred million dollar fundraise that was announced on September 16. The raise was led by Vanara Capital with participation from Greycroft, Tallwoods Capital, and Freestyle Capital, among others.
Cognition AI, the creator of the coding agent Devin, raised a four hundred million dollar Series C round that was announced on September 8. The round was led by Founders Fund and valued the company at ten point two billion dollars.
AI infrastructure startup Baseten raised a one hundred fifty million dollar Series D round that valued the company at two point one billion dollars. The September 5 round was led by Bond with participation from CapitalG, IVP, and Spark Capital, among others.
Bret Taylor’s customer service AI agent platform Sierra raised three hundred fifty million dollars in a round led by Greenoaks Capital. This fundraise was announced on September 4 and valued Sierra at more than ten billion dollars.
You.com, a personalized AI search engine, raised a one hundred million dollar Series C round led by Cox Enterprises. The round was announced on September 3 and valued the company at one point five billion dollars.
AI research lab Anthropic raised its second round of 2025 in September. Anthropic announced a thirteen billion dollar Series F round on September 2 that valued the company at one hundred eighty-three billion dollars. The round was led by Iconiq, Fidelity, and Lightspeed.
In August, healthcare and housing automation platform EliseAI raised two hundred fifty million dollars in a Series E round that valued the startup at two point two billion dollars. The round, announced on August 20, was led by Andreessen Horowitz.
Decart, an AI research lab, raised one hundred million dollars at a three point one billion dollar valuation. The round included Sequoia Capital, Benchmark, and Zeev Ventures, among others, and was announced on August 7.
In July, generative media platform Fal raised a one hundred twenty-five million dollar Series C round led by Meritech Capital Partners. The company announced the round, which values Fal at one point five billion dollars, 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 two hundred forty-three million dollar 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 one hundred ten million dollars in a round that included Snowflake and Nvidia. The Series B round was announced on July 22 and values the company at one billion dollars.
AI research lab Thinking Machines Lab confirmed that it raised two billion dollars 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 twelve billion dollars.
Cambridge, Massachusetts-based OpenEvidence, which is building an AI-powered search tool for clinicians, raised two hundred ten million dollars at a three point five billion dollar 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 one hundred million dollar Series B round led by Kleiner Perkins. The round was announced on July 10 and values the company at eight hundred seventy-five million dollars.
In June, healthcare AI unicorn Abridge announced it raised a three hundred million dollar Series E round that values the company at five point three billion dollars. The round was led by Andreessen Horowitz with Khosla Ventures participating. It was the company’s second round of 2025.
Harvey, which builds AI tools for the legal industry, announced it raised its second three hundred million dollar round of 2025 on June 23. This latest Series E round was co-led by Kleiner Perkins and Coatue and brings the company’s valuation to five billion dollars.
Healthcare AI startup Tennr announced it raised a one hundred one million dollar Series C round led by IVP with participation from Lightspeed Venture Partners, GV, and Andreessen Horowitz, among others. The round values the company at six hundred five million dollars.
Enterprise search startup Glean announced a one hundred fifty million dollar Series F round on June 10, led by Wellington Management with participation from Sequoia, Lightspeed Venture Partners, and Kleiner Perkins, among others. Glean is now valued at seven point two five billion dollars.
Anysphere, the AI research lab behind AI coding tool Cursor, raised a sizable nine hundred million dollar Series C round that values the company at nearly ten billion dollars. The round was led by Thrive Capital with participation from Andreessen Horowitz, Accel, and DST Global.
In May, AI data labeling startup Snorkel AI announced a one hundred million dollar Series D round on May 29, valuing the company at one point three billion dollars. The round was led by Addition with participation from Prosperity7 Ventures, Lightspeed Venture Partners, and Greylock.
LMArena, a popular, community-driven benchmarking tool for AI models, raised a one hundred million dollar seed round that valued the startup at six hundred million dollars. The round was announced on May 21 and was co-led by Andreessen Horowitz and UC Investments. Lightspeed Venture Partners, Kleiner Perkins, and Felicis also participated, among others.
Las Vegas-based AI infrastructure company TensorWave announced a one hundred million dollar Series A round on May 14. The round was co-led by Magnetar Capital and AMD Ventures with participation from Prosperity7 Ventures, Nexus Venture Partners, and Maverick Silicon.
In April, SandboxAQ closed a four hundred fifty million dollar Series E round on April 4 that valued the AI model company at five point seven billion dollars. The round included Nvidia, Google, and Bridgewater Associates founder Ray Dalio among other investors.
Runway, which creates AI models for media production, raised a three hundred eight million dollar Series D round that was announced on April 3, valuing the company at three billion dollars. It was led by General Atlantic. SoftBank, Nvidia, and Fidelity also participated.
In March, AI behemoth OpenAI raised a record-breaking forty billion dollar funding round that valued the startup at three hundred billion dollars. This round, which closed on March 31, was led by SoftBank with participation from Thrive Capital, Microsoft, and Coatue, among others.
On March 25, Nexthop AI, an AI infrastructure company, announced that it had raised a Series A round led by Lightspeed Venture Partners. The one hundred ten million dollar round also included Kleiner Perkins, Battery Ventures, and Emergent Ventures, among others.
Cambridge Massachusetts-based Insilico Medicine raised one hundred ten million dollars for its generative AI-powered drug discovery platform as announced on March 13. This Series E round valued the company at one billion dollars and was co-led by Value Partners and Pudong Chuangtou.
AI infrastructure company Celestial AI raised a two hundred fifty million dollar Series C round that valued the company at two point five billion dollars. The March 11 round was led by Fidelity with participation from Tiger Global, BlackRock, and Intel CEO Lip-Bu Tan, among others.
Lila Sciences raised a two hundred million dollar seed round as it looks to create a science superintelligence platform. The round was led by Flagship Pioneering. The Cambridge, Massachusetts-based company also received funding from March Capital, General Catalyst, and ARK Venture Fund, among others.
Brooklyn-based Reflection AI, which looks to build superintelligent autonomous systems, raised a one hundred thirty million dollar Series A round that values the one-year-old company at five hundred eighty million dollars. The round was led by Lightspeed Venture Partners and CRV.
AI coding startup Turing closed a Series E round on March 7 that valued the startup, which partners with LLM companies, at two point two billion dollars. The one hundred eleven million dollar round was led by Khazanah Nasional with participation from WestBridge Capital, Gaingels, and Sozo Ventures, among others.
Shield AI, an AI defense tech startup, raised two hundred forty million dollars in a Series F round that closed on March 6. This round was co-led by L3Harris Technologies and Hanwha Aerospace, with participation from Andreessen Horowitz and the US Innovative Technology Fund, among others. The round valued the company at five point three billion dollars.
AI research and large language model company Anthropic raised three point five billion dollars in a Series E round that valued the startup at sixty-one point five billion dollars. The round was announced on March 3 and was led by Lightspeed with participation from Salesforce Ventures, Menlo Ventures, and General Catalyst, among others.
In February, Together AI, which creates open source generative AI and AI model development infrastructure, raised a three hundred five million dollar Series B round that valued the company at three point three billion dollars. The February 20 round was co-led by Prosperity7 and General Catalyst with participation from Salesforce Ventures, Nvidia, Lux Capital, and others.
AI infrastructure company Lambda raised a four hundred eighty million dollar Series D round that was announced on February 19. The round valued the startup at nearly two point five billion dollars and was co-led by SGW and Andra Capital. Nvidia, G Squared, ARK Invest, and others also participated.
Abridge, an AI platform that transcribes patient-clinician conversations, was valued at two point seven five billion dollars in a Series D round that was announced on February 17. The two hundred fifty million dollar round was co-led by IVP and Elad Gil. Lightspeed, Redpoint, and Spark Capital also participated, among others.
Eudia, an AI legal tech company, raised one hundred five million dollars in a Series A round led by General Catalyst. Floodgate, Defy Ventures, and Everywhere Ventures also participated in the round in addition to other VC firms and numerous angel investors. The round closed on February 13.
AI hardware startup EnCharge AI raised a one hundred million dollar Series B round that also closed on February 13. The round was led by Tiger Global with participation from Scout Ventures, Samsung Ventures, and RTX Ventures, among others. The Santa Clara-based business was founded in 2022.
AI legal tech company Harvey raised a three hundred million dollar Series D round that valued the three-year-old company at three billion dollars. The round was led by Sequoia and announced on February 12. OpenAI Startup Fund, Kleiner Perkins, Elad Gil, and others also participated in the raise.
In January, synthetic voice startup ElevenLabs raised a one hundred eighty million dollar Series C round that valued the company at more than three billion dollars. It was announced on January 30. The round was co-led by ICONIQ Growth and Andreessen Horowitz. Sequoia, NEA, Salesforce Ventures, and others also participated in the round.
Hippocratic AI, which develops large language models for the healthcare industry, announced a one hundred forty-one million dollar Series B round on January 9. This round valued the company at more than one point six billion dollars and was led by Kleiner Perkins. Andreessen Horowitz, Nvidia, and General Catalyst also participated, among others.
This piece was updated on April 23, June 18, August 27, and November 26 to include more deals. This piece has been updated to remove that Abridge is based in Pittsburgh; the company was founded there.