# Top 50 AI Startups Founded in 2025 by Funding (2026)

> The 50 best-funded AI startups founded in 2025, ranked by total funding raised: $13B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/ai-startups-founded-2025 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Nscale**](https://millionrounds.com/company/nscale) *Founded* 2025 United Kingdom **$6.9B** last round Sept 2026
- 2 [**Ineffable Intelligence** Ineffable Intelligence develops machine learning systems that learn through interaction and experience.](https://millionrounds.com/company/ineffable-intelligence) Ineffable Intelligence develops machine learning systems that learn through interaction and experience. *Founded* 2025 London, United Kingdom **$1.1B** last round Apr 2026
- 3 [**5C** 5C is a data center that provides AI digital infrastructure, HPC systems, and scalable compute solutions for enterprises.](https://millionrounds.com/company/5c) 5C is a data center that provides AI digital infrastructure, HPC systems, and scalable compute solutions for enterprises. *Founded* 2025 Saint Laurent, Canada **$835M** last round Jul 2025
- 4 [**General Intuition** General Intuition is an artificial intelligence research lab based in New York City, with operations in Geneva, Switzerland.](https://millionrounds.com/company/general-intuition) General Intuition is an artificial intelligence research lab based in New York City, with operations in Geneva, Switzerland. *Founded* 2025 New York, United States **$654M** last round Aug 2026
- 5 [**Sophia Space** Sophia Space Inc.](https://millionrounds.com/company/sophia-space) Sophia Space Inc. *Founded* 2025 Pasadena, United States **$310M** last round Sept 2026
- 6 [**Periodic Labs** We're building AI scientists and the autonomous laboratories for them to operate.](https://millionrounds.com/company/periodic-labs) We're building AI scientists and the autonomous laboratories for them to operate. *Founded* 2025 Menlo Park, United States **$300M** last round Sept 2025
- 7 [**Ricursive Intelligence** Ricursive Intelligence is an AI laboratory founded by Anna Goldie and Azalia Mirhoseini, focusing on semiconductor design through advanced artificial intelligence.](https://millionrounds.com/company/ricursive-intelligence) Ricursive Intelligence is an AI laboratory founded by Anna Goldie and Azalia Mirhoseini, focusing on semiconductor design through advanced artificial intelligence. *Founded* 2025 Palo Alto, United States **$300M** last round Jan 2026
- 8 [**UniPat** Our Mission is to Accelerate AI's Evolution Towards Real-World Automation.](https://millionrounds.com/company/unipat) Our Mission is to Accelerate AI's Evolution Towards Real-World Automation. *Founded* 2025 - **$300M** last round Sept 2026
- 9 [**SHIELD SPACE** SHIELD SPACE is a UK defence technology company located in Lincoln, England.](https://millionrounds.com/company/shield-space) SHIELD SPACE is a UK defence technology company located in Lincoln, England. *Founded* 2025 Lincoln, United Kingdom **$191M** last round Jan 2026
- 10 [**Armadin Security** Armadin Security is an AI-powered cybersecurity company that specializes in real-time threat hunting.](https://millionrounds.com/company/armadin-security) Armadin Security is an AI-powered cybersecurity company that specializes in real-time threat hunting. *Founded* 2025 Menlo Park, United States **$165M** last round Jan 2026
- 11 [**Inferact** Inferact is an AI infrastructure startup founded by the creators of vLLM, a leading open-source LLM inference engine.](https://millionrounds.com/company/inferact) Inferact is an AI infrastructure startup founded by the creators of vLLM, a leading open-source LLM inference engine. *Founded* 2025 San Francisco, United States **$150M** last round Jan 2026
- 12 [**Callosum** Callosum is a London-based startup founded by two neuroscientists from Cambridge, Danyal Akarca and Jascha Achterberg.](https://millionrounds.com/company/callosum) Callosum is a London-based startup founded by two neuroscientists from Cambridge, Danyal Akarca and Jascha Achterberg. *Founded* 2025 London, United Kingdom **$110M** last round Aug 2026
- 13 [**Video Rebirth** Video Rebirth builds AI foundation models that understand and re-create the physical world, from industrial-grade video generation to real-time, interactive world models.](https://millionrounds.com/company/video-rebirth) Video Rebirth builds AI foundation models that understand and re-create the physical world, from industrial-grade video generation to real-time, interactive world models. *Founded* 2025 Singapore, Singapore **$110M** last round Mar 2026
- 14 [**Penelope Health** We believe that information asymmetry is a root cause of market inefficiencies within US healthcare.](https://millionrounds.com/company/penelope-health) We believe that information asymmetry is a root cause of market inefficiencies within US healthcare. *Founded* 2025 Altrincham, United Kingdom **$100M** last round Sept 2026
- 15 [**Decade** Frontier Technologies, Inc.](https://millionrounds.com/company/decade) Frontier Technologies, Inc. *Founded* 2025 Sao Paulo, Brazil **$85M** last round Aug 2026
- 16 [**Sandstone** Sandstone is a software company based in New York that offers an AI-native legal operations platform tailored for in-house legal departments.](https://millionrounds.com/company/sandstone) Sandstone is a software company based in New York that offers an AI-native legal operations platform tailored for in-house legal departments. *Founded* 2025 New York, United States **$80M** last round Jun 2026
- 17 [**LimeTax** Limetax is a tax advisory and accounting group based in Berlin, Germany.](https://millionrounds.com/company/limetax) Limetax is a tax advisory and accounting group based in Berlin, Germany. *Founded* 2025 Berlin, Germany **$77M** last round Sept 2026
- 18 [**Edison Scientific** Edison Scientific is an artificial intelligence company founded in 2025 and based in San Francisco, California.](https://millionrounds.com/company/edison-scientific) Edison Scientific is an artificial intelligence company founded in 2025 and based in San Francisco, California. *Founded* 2025 San Francisco, United States **$66M** last round Dec 2025
- 19 [**AfterQuery** AfterQuery is an applied research lab located in San Francisco, California.](https://millionrounds.com/company/afterquery) AfterQuery is an applied research lab located in San Francisco, California. *Founded* 2025 San Francisco, United States **$61M** last round Sept 2026
- 20 [**ZeroClick** ZeroClick is a technology company founded in 2025 that focuses on an advertising platform for AI.](https://millionrounds.com/company/zeroclick) ZeroClick is a technology company founded in 2025 that focuses on an advertising platform for AI. *Founded* 2025 Beaverton, United States **$55M** last round Aug 2025
- 21 [**Fish Audio** Fish Audio is an AI voice generation and text-to-speech platform developed by Hanabi AI.](https://millionrounds.com/company/fish-audio) Fish Audio is an AI voice generation and text-to-speech platform developed by Hanabi AI. *Founded* 2025 Mountain View, United States **$52M** last round Jul 2026
- 22 [**Third Intelligence** Third Intelligence is an AI research and product development company based in Tokyo, founded in 2025.](https://millionrounds.com/company/third-intelligence) Third Intelligence is an AI research and product development company based in Tokyo, founded in 2025. *Founded* 2025 Chiyoda, Japan **$52M** last round Nov 2025
- 23 [**Flexion** Flexion Mobile provides alternative app store distribution services for mobile game developers, helping them scale revenue beyond traditional platforms through](https://millionrounds.com/company/flexion) Flexion Mobile provides alternative app store distribution services for mobile game developers, helping them scale revenue beyond traditional platforms through *Founded* 2025 Switzerland **$50M** last round Nov 2025
- 24 [**Arycs Technologies** Arycs Technologies is a U.S.-based company that specializes in energy-efficient, high-performance coherent optical connectivity solutions.](https://millionrounds.com/company/arycs-technologies) Arycs Technologies is a U.S.-based company that specializes in energy-efficient, high-performance coherent optical connectivity solutions. *Founded* 2025 Los Gatos, United States **$48M** last round Mar 2026
- 25 [**Poetiq** Poetiq is an AI startup based in Mountain View, California, founded in June 2025 by former Google DeepMind researchers Shumeet Baluja and Ian Fischer.](https://millionrounds.com/company/poetiq) Poetiq is an AI startup based in Mountain View, California, founded in June 2025 by former Google DeepMind researchers Shumeet Baluja and Ian Fischer. *Founded* 2025 Mountain View, United States **$46M** last round Jan 2026
- 26 [**Geordie AI** Geordie AI is a London-based cybersecurity startup founded in 2025.](https://millionrounds.com/company/geordie-ai) Geordie AI is a London-based cybersecurity startup founded in 2025. *Founded* 2025 London, United Kingdom **$42M** last round May 2026
- 27 [**Ease Health** Ease Health is an AI-native operating system designed specifically for behavioral health practices.](https://millionrounds.com/company/ease-health) Ease Health is an AI-native operating system designed specifically for behavioral health practices. *Founded* 2025 New York, United States **$41M** last round Mar 2026
- 28 [**Hiverge** Hiverge is an AI-powered algorithm discovery company based in Cambridge, England.](https://millionrounds.com/company/hiverge) Hiverge is an AI-powered algorithm discovery company based in Cambridge, England. *Founded* 2025 Cambridge, United Kingdom **$41M** last round Jul 2026
- 29 [**Antioch** Antioch is a New York-based company specializing in autonomous systems and robotics.](https://millionrounds.com/company/antioch) Antioch is a New York-based company specializing in autonomous systems and robotics. *Founded* 2025 New York, United States **$40M** last round Sept 2026
- 30 [**USD.AI** USD.AI is a stablecoin protocol at the intersection of blockchain and artificial intelligence.](https://millionrounds.com/company/usd-ai) USD.AI is a stablecoin protocol at the intersection of blockchain and artificial intelligence. *Founded* 2025 Grand Cayman, Cayman Islands **$40M** last round Sept 2026
- 31 [**Natural** Natural is an agentic payments platform founded in 2025 by Kahlil Lalji, Eric Wang, and Walt Leung.](https://millionrounds.com/company/natural) Natural is an agentic payments platform founded in 2025 by Kahlil Lalji, Eric Wang, and Walt Leung. *Founded* 2025 San Francisco, United States **$40M** last round Jul 2026
- 32 [**Viven** Viven is an enterprise AI startup founded in 2025, based in San Francisco/Santa Clara, California.](https://millionrounds.com/company/viven) Viven is an enterprise AI startup founded in 2025, based in San Francisco/Santa Clara, California. *Founded* 2025 San Francisco, United States **$35M** last round Oct 2025
- 33 [**CoreStory** CoreStory is an enterprise software company based in Berkeley and San Francisco.](https://millionrounds.com/company/corestory) CoreStory is an enterprise software company based in Berkeley and San Francisco. *Founded* 2025 Berkeley, United States **$32M** last round Oct 2025
- 34 [**Guild.ai** Guild.ai is a software development company based in San Francisco, founded in 2025.](https://millionrounds.com/company/guild-ai) Guild.ai is a software development company based in San Francisco, founded in 2025. *Founded* 2025 San Francisco, United States **$30M** last round Mar 2026
- 35 [**Dealism** Dealism is an AI-powered sales agent platform founded in Singapore in 2025 by Leo Huan.](https://millionrounds.com/company/dealism) Dealism is an AI-powered sales agent platform founded in Singapore in 2025 by Leo Huan. *Founded* 2025 Singapore, Singapore **$30M** last round Jan 2026
- 36 [**Sumary** Sumary is an AI-native financial technology company based in Denmark.](https://millionrounds.com/company/sumary) Sumary is an AI-native financial technology company based in Denmark. *Founded* 2025 Copenhagen, Denmark **$29M** last round Nov 2026
- 37 [**ValkaAI** ValkaAI is an innovative AI startup founded in 2025 or 2026 by Vlastimil Venclík and Miloš Lokajíček.](https://millionrounds.com/company/valkaai) ValkaAI is an innovative AI startup founded in 2025 or 2026 by Vlastimil Venclík and Miloš Lokajíček. *Founded* 2025 Amsterdam, Czechia **$29M** last round Nov 2026
- 38 [**Peec AI** Peec AI is a Berlin-based company specializing in AI search analytics and Generative Engine Optimization (GEO) for marketing teams.](https://millionrounds.com/company/peec-ai) Peec AI is a Berlin-based company specializing in AI search analytics and Generative Engine Optimization (GEO) for marketing teams. *Founded* 2025 Berlin, Germany **$27M** last round Nov 2025
- 39 [**Trent AI** Trent AI is a London-based cybersecurity startup founded in 2025 by former AWS engineering leaders Eno Thereska, Neil Lawrence, and Zhenwen Dai.](https://millionrounds.com/company/trent-ai) Trent AI is a London-based cybersecurity startup founded in 2025 by former AWS engineering leaders Eno Thereska, Neil Lawrence, and Zhenwen Dai. *Founded* 2025 London, United Kingdom **$26M** last round Apr 2026
- 40 [**CoCreate** Cocreate is an AI-native technology company that specializes in professional video production workflows.](https://millionrounds.com/company/cocreate) Cocreate is an AI-native technology company that specializes in professional video production workflows. *Founded* 2025 Mountain View, United States **$26M** last round Sept 2025
- 41 [**Ravical** Ravical is the agentic operating layer for professional services firms.](https://millionrounds.com/company/ravical) Ravical is the agentic operating layer for professional services firms. *Founded* 2025 Ghent, Belgium **$25M** last round Oct 2026
- 42 [**Twin1 AI** Twin1 gives every professional an AI-powered digital twin that scales their expertise while keeping their knowledge their own.](https://millionrounds.com/company/twin1-ai) Twin1 gives every professional an AI-powered digital twin that scales their expertise while keeping their knowledge their own. *Founded* 2025 San Francisco, United States **$25M** last round Nov 2026
- 43 [**Transfyr** Transfyr is an AI company focused on scientific machine learning systems and the development of a large multimodal dataset of scientific execution.](https://millionrounds.com/company/transfyr) Transfyr is an AI company focused on scientific machine learning systems and the development of a large multimodal dataset of scientific execution. *Founded* 2025 Kenner, United States **$25M** last round Aug 2026
- 44 [**Corridor** Corridor is an AI-powered software security platform that enhances code security by embedding real-time controls into both AI and human coding workflows.](https://millionrounds.com/company/corridor) Corridor is an AI-powered software security platform that enhances code security by embedding real-time controls into both AI and human coding workflows. *Founded* 2025 San Francisco, United States **$25M** last round Sept 2026
- 45 [**Longeye** Longeye is a San Francisco-based company that specializes in AI-powered investigative platforms and digital evidence analysis.](https://millionrounds.com/company/longeye) Longeye is a San Francisco-based company that specializes in AI-powered investigative platforms and digital evidence analysis. *Founded* 2025 San Francisco, United States **$25M** last round Oct 2026
- 46 [**Tensormesh** Tensormesh is an AI infrastructure optimization company based in Foster City, California, with operations in San Francisco.](https://millionrounds.com/company/tensormesh) Tensormesh is an AI infrastructure optimization company based in Foster City, California, with operations in San Francisco. *Founded* 2025 San Francisco, United States **$25M** last round May 2026
- 47 [**Agentrys** Agentrys is an applied research team dedicated to advancing chip design through Agentic Design Automation (ADA).](https://millionrounds.com/company/agentrys) Agentrys is an applied research team dedicated to advancing chip design through Agentic Design Automation (ADA). *Founded* 2025 United States **$25M** last round Aug 2026
- 48 [**geoSurge** geoSurge is a London-based deep-tech AI company that specializes in helping brands and organizations understand and enhance their representation in generative A](https://millionrounds.com/company/geosurge) geoSurge is a London-based deep-tech AI company that specializes in helping brands and organizations understand and enhance their representation in generative A *Founded* 2025 London, United Kingdom **$24M** last round Jul 2026
- 49 [**Architect** Architect is an AI laboratory focused on chip design and hardware-software co-optimization.](https://millionrounds.com/company/architect) Architect is an AI laboratory focused on chip design and hardware-software co-optimization. *Founded* 2025 Palo Alto, United States **$24M** last round Jun 2026
- 50 [**June AI** JUNE AI is a New York-based enterprise software and AI company founded in 2025.](https://millionrounds.com/company/june-ai) JUNE AI is a New York-based enterprise software and AI company founded in 2025. *Founded* 2025 New York, United States **$22M** last round Aug 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2025 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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