Nearly 20 US-based AI startups have raised mega-rounds of $100 million or more in 2026 – and that’s less than two months ago.
If the first weeks of 2026 are any indicator, the AI startup market is poised for another year of monster fundraising at eye-popping valuations. US AI startups have raised more than $76 billion through mega-rounds in 2025, according to TechCrunch’s tally.
Will startups experience the same success in 2026? Time will tell.
Here are all the US-based AI startups that have raised $100 million or more so far:
FEBRUARY
- Comparisonwhich builds AI to imitate human decisions, has raised a question $100 million Series A round led by Index Ventures. The round was announced on February 12 and included Hanabi Capital, Bain Capital Ventures and several angel investors.
- Anthropic announced a $30 billion Series G round on February 12, which valued the AI research lab at $380 billion. More than 30 investors participated in the round, including Founders Fund, Coatue and Nvidia, among others.
- Media generation platform Track raised a $315 million Series E funding round which valued the company at $5.3 billion. This financing was led by General Atlantic and was announced on February 10. Nvidia, Fidelity and Felicis have also invested, among others.
- Good firean AI research laboratory, announced a $150 million Series B round 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 round on February 5. This funding round valued the company at $1.4 billion. Investors in the round included Oak HC/FT, Salesforce Ventures, Valor Equity Partners and QP Ventures, among others.
- Voice AI company ElevenLabs raised a $500 million Series D round this was announced on February 4. The round was led by Sequoia and valued the company at $11 billion.
January
- AI PaleBlueDota computing platform, raised a $150 million Series B round which valued the startup at $1 billion. The funding round was announced on January 28 and was led by B Capital.
- Conversational AI Platform Decagon announced a $250 million Series D funding round on January 28. The round was co-led by Coatue and Index Ventures and valued the company at $4.5 billion.
- AI Research Laboratory Planes that beat raised a $180 million funding round which was led by Google Ventures, Sequoia and Index Ventures. The funding round was announced on January 28 and values the company at $1.5 billion.
- Baseten raised a $300 million Series E funding round which valued the AI infrastructure startup at $5 billion. The round was led by IVP and CapitalG and was announced on January 23.
- Inferactan AI inference startup, raised a $150 million funding round just a few months after its creation. The funding round was announced on January 22 and gave the company a valuation of $800 million. The round was co-led by Andreessen Horowitz and Lightspeed Venture Partners.
- Based in Cambridge, Massachusetts OpenEvidence raised a $250 million Series D funding round for its medical AI chatbot. The round was co-led by Thrive Global and DST Global and was announced on January 21. This round valued OpenEvidence at $12 billion.
- AI Research Laboratory humans and raised a monster $480 million funding round this was announced on January 20. Investors participating in the round include Nvidia, Jeff Bezos and GV, among others. This funding round valued the young startup at $4.48 billion.
- SkildAIwhich builds AI models to power robots, has raised a question $1.4 billion Series C round which valued 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 round led by AVP, with participation from Tiger Global, ServiceNow Ventures and Madrona, among others. The funding round was announced on January 13 and values the company at $1.3 billion.
- Arenaa large platform for evaluating language models, has raised a $150 million Series A round which was co-led by Felicis and UC Investments. This funding round valued the year-old startup at $1.7 billion and was announced on January 6.
- That of Elon Musk xAI started the new year in style. The AI research laboratory announced a $20 billion Series E funding round on January 6. Valor Equity Partners, Fidelity and the Qatar Investment Authority participated in the round, among others. The company was acquired by SpaceX from Musk a few weeks later.