Here are the 17 US-based AI companies that have raised $100M or more in 2026

Nearly 20 U.S.-based AI startups have already pulled in mega-rounds of $100 million or more in 2026 — and it’s still not even two months into the year.

If the first stretch of 2026 is any signal, the AI startup market could be headed for yet another year of massive funding rounds at eye-popping valuations. In 2025, U.S. AI startups raised more than $76 billion through mega-rounds, per count.

Will startups repeat that momentum in 2026? Time will tell.

Here are the U.S.-based AI startups that have raised $100 million or more so far:

February

• Simile, which builds AI designed to mimic human decision-making, raised a $100 million Series A led by Index Ventures. The round was announced on February 12 and included Hanabi Capital, Bain Capital Ventures, and multiple angel investors.

• Anthropic announced a $30 billion Series G on February 12, valuing the AI research lab at $380 billion. More than 30 investors participated, including Founders Fund, Coatue, and Nvidia, among many others.

• Media-generation platform Runway raised a $315 million Series E that valued the company at $5.3 billion. The funding was led by General Atlantic and was announced on February 10. NVIDIA, Fidelity, and Felicis also participated, among others.

• Goodfire, an AI research lab, announced a $150 million Series B on February 5. B Capital led the round with participation from Juniper Ventures, Lightspeed Venture Partners, and Menlo Ventures. The round valued the company at $1.25 billion.

• AI research company Fundamental announced a $255 million Series A on February 5, valuing the company at $1.4 billion. Investors included Oak HC/FT, Salesforce Ventures, Valour Equity Partners, and QP Ventures, among others.

• Voice AI company ElevenLabs raised a $500 millionin  Series D funding, announced on February 4. The round was led by Sequoia and valued the company at $11 billion.

January

• PaleBlueDot AI, a compute platform, raised a $150 million in Series B funding that valued the startup at $1 billion. The round was announced on January 28 and was led by B Capital.

• Conversational AI platform Decagon announced a $250 million Series D on January 28. The round was co-led by Coatue and Index Ventures and valued the company at $4.5 billion.

• AI research lab Flapping Aeroplanes raised a $180 million seed round led by Google Ventures, Sequoia, and Index Ventures. The round was announced on January 28 and valued the company at $1.5 billion.

• Baseten raised a $300 million Series E that valued the AI infrastructure startup at $5 billion. The round was led by IVP and CapitalG and was announced on January 23.

• Inferact, an AI inference startup, raised a $150 million seed round just months after being founded. The round was announced on January 22 andvaluede the company at $800 million. It was co-led by Andreessen Horowitz and Lightspeed Venture Partners.

• Cambridge, Massachusetts-based OpenEvidence raised a $250 million in Series D funding for its medical AI chatbot. The round was co-led by Thrive Global and DST Global and was announced on January 21. This funding valued OpenEvidence at $12 billion.

• AI research lab humans& raised a massive $480 million seed round, announced on January 20. Investors included Nvidia, Jeff Bezos, and GV, among others. The round valued the startup at $4.48 billion.

• SkildAI, which builds AI models that power robots, raised a $1.4 billion Series C, valuing the startup at $14 billion. The round was announced on January 14 and was led by SoftBank and Nvidia.

• Voice AI platform Deepgram raised a $130 million Series C led by AVP, with participation from Tiger Global, ServiceNow Ventures, and Madrona, among others. The round was announced on January 13 and valued the company at $1.3 billion.

• Arena, a large language model evaluation platform, raised a $150 million Series A co-led by Felicis and UC Investments. The round valued the one-year-old startup at $1.7 billion and was announced on January 6.

• Elon Musk’s xAI kicked off the year with a major raise, announcing a $20 billion Series E on January 6. Valourorr Equity Partners, Fidelity, and the Qatar Investment Authority participated, among others. The company was acquired by Musk’s SpaceX a few weeks later.