Artificial Intelligence · United States, India

Best Artificial Intelligence Companies in United States

Updated 2026-06-16 · Ranked by funding & momentum

6007 indexable Artificial Intelligence companies headquartered in United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $188.4B across 2490 funded companies, including 160 unicorns.

6,007
Companies
$188.4B
Total Funding
2,490
Funded
160
Unicorns
100
Rounds (90d)

Ranked: Best Artificial Intelligence companies in United States

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 OpenAI Unicorn
AI research and deployment solutions developing advanced artificial intelligence systems and tools for global use
$17.9B $157B
as of 2024
Series G Series G Apr 2026 831 2015 ↑ Active
2 Lambda AI Unicorn
Provider of supercomputers, clusters, and instances for artificial intelligence development
$4.3B Series E Conventional Debt May 2026 2012 ↑ Active
3 Anduril Unicorn
Provider of AI-driven defense and autonomous systems across air, land, sea, and space domains
$3.8B $14B
as of 2024
Series H Series H May 2026 2,193 2017 ↑ Active
4 Anthropic Unicorn
Provider of AI safety and research company
$4.5B $15B
as of 2023
Series G Series G Apr 2026 73 2021 ↑ Active
5 Waymo Unicorn
Provider of self-driving and autonomous vehicle solutions for safe and accessible transportation
$11.1B $45B
as of 2024
Series D Series D Feb 2026 2,297 2009 ↑ Active
6 CoreWeave Unicorn
Provider of cloud computing services for artificial intelligence workloads
$2.3B $19B
as of 2024
Public Post IPO Apr 2026 239 2017 ↑ Active
7 xAI Unicorn
Platform providing AI-powered assistant for image generation and trend analysis
$6.1B $24B
as of 2024
Acquired Series E Jan 2026 2023 ↑ Active
8 Cerebras Unicorn
Provider of high-performance AI infrastructure and wafer-scale computing solutions
$750M $4B
as of 2021
Public Conventional Debt Apr 2026 2015 ↑ Active
9 Shield AI Unicorn
Developer of AI-powered platforms and software for defense applications
$930.2M $2.8B
as of 2023
Series G Series G Mar 2026 364 2015 ↑ Active
10 Skydio Unicorn
Manufacturer of autonomous drones and related software, services, and accessories
$570M $2.2B
as of 2023
Series F Series F Apr 2026 332 2014 ↑ Active
11 SambaNova Systems Unicorn
Provider of AI-powered software and hardware
$1.1B $5B
as of 2021
Series E Series E Feb 2026 497 2017 ↑ Active
12 AIdoc
Developer of clinical AI solutions for healthcare imaging and patient management
$274.5M Series E Series E Apr 2026 403 2016 ↑ Active
13 Tomorrow.io Unicorn
AI-powered weather intelligence platform using satellites for real-time forecasting
$250M Series F Series F May 2026 124 2016 ↑ Active
14 SiMa.ai
Developer of hardware and software platform for physical artificial intelligence
$330M Series C Series C Apr 2026 161 2018 ↑ Active
15 Sierra Unicorn
A conversational AI platform that helps businesses to build customer experiences
$285M $4.5B
as of 2024
Series E Series E May 2026 2023 ↑ Active
16 Crusoe Unicorn
Operator of cloud platform providing infrastructure for artificial intelligence workloads
$576.9M $1.8B
as of 2022
Series E Conventional Debt Feb 2026 242 2018 ↑ Active
17 Aera
Developer of a decision intelligence platform providing real-time business recommendations
$171.5M Series D Series D May 2026 186 1999 ↑ Active
18 Outrider
Provider of autonomous systems for automating yard operations at logistics hubs
$262.2M Series D Series D Apr 2026 123 2017 ↑ Active
19 Cognition Unicorn
Developer of an AI software engineer designed to automate coding
$196M $2B
as of 2024
Series D Series D May 2026 2023 ↑ Active
20 Nexthop AI Unicorn
AI infrastructure for cloud infrastructure
$610M Series B Series B Mar 2026 2024 ↑ Active
21 FluidStack
Provider of managed high performance computing clusters for artificial intelligence
$1B Series B Series B Jan 2026 3 2017 ↑ Active
22 Kodiak Robotics
Developer of AI-powered ground autonomy solutions for trucking, defense, industrial
$165M Public Post IPO May 2026 182 2018 ↑ Active
23 ASAPP Unicorn
Provider of an AI-native platform for contact center customer experience
$400M $1.6B
as of 2021
Series C Conventional Debt Mar 2026 183 2014 ↑ Active
24 Parallel Web Systems Unicorn
Developer of an API providing web search for AI applications
$230M Series B Series B Apr 2026 2023 ↑ Active
25 Factory Unicorn
Developer of artificial intelligence solutions for industrial automation and optimization
$220M Series C Series C Apr 2026 2023 ↑ Active
26 Replit Unicorn
AI platform to build apps, websites, and software instantly
$271.9M $1.2B
as of 2023
Series D Series D Mar 2026 92 2016 ↑ Active
27 ReflectionAI Unicorn
Developer of autonomous coding systems
$2.1B Series B Series B Oct 2025 2025 ↑ Active
28 Iambic Therapeutics
Provider of AI-driven drug discovery platform for the treatment of cancer
$206.2M Series C Series C Apr 2026 50 2019 ↑ Active
29 Saronic Unicorn
Developer of autonomous surface vessels for naval and maritime forces
$230.5M $1B
as of 2024
Series D Series D Mar 2026 32 2022 ↑ Active
30 Nuro Unicorn
Developer of autonomous driving technology for automakers and mobility providers
$2.1B $8.6B
as of 2021
Series E Series E Aug 2025 1,005 2016 ↑ Active
31 Physical Intelligence Unicorn
Developer of AI models and learning algorithms for physical robots
$1.1B Series B Series B Nov 2025 2024 ↑ Active
32 Helm
Developer of AI-first software for advanced driver-assistance systems and autonomous driving
$124M $431M
as of 2022
Series D Series D May 2026 37 2016 ↑ Active
33 Unframe AI
Provider of a managed AI delivery platform for tailored business solutions
$100M Series B Series B May 2026 2024 ↑ Active
34 Upstage
Provider of AI platform for multiple task management
$118.4M Series C Series C Apr 2026 127 2020 ↑ Active
35 Runway Unicorn
Developer of artificial intelligence tools for image and video generation
$237M $1.5B
as of 2023
Series E Series E Feb 2026 30 2018 ↑ Active
36 RADAR
Provider of RFID and computer vision technology for retail inventory management
$63M Series B Series B May 2026 25 2013 ↑ Active
37 KoBold Metals Unicorn
Developer of mineral exploration technology and operator of mining projects
$892.3M $1.1B
as of 2023
Series D Series D Oct 2025 62 2018 ↑ Active
38 Bedrock Robotics Unicorn
Developer of autonomous technology for transforming construction and industrial equipment
$350M Series B Series B Feb 2026 2024 ↑ Active
39 Scout AI
AI-powered robotic systems for defense and related applications
$115M Series A Series A Apr 2026 2024 ↑ Active
40 nEye
Provider of integrated silicon photonic switch for AI computing
$148.5M Series C Series C Apr 2026 2020 ↑ Active
41 Mirage
AI platform for generating, editing, and captioning videos automatically
$160M Series D Series D Mar 2026 2021 ↑ Active
42 Qualified Health
Provider of an enterprise AI platform for healthcare systems
$155M Series B Series B Mar 2026 2023 ↑ Active
43 Perplexity Unicorn
AI-powered search and answer generation
$415.4M $3B
as of 2024
Series E Angel Dec 2025 8 2022 ↑ Active
44 Uniphore Unicorn
Provider of a business artificial intelligence platform with agentic and model layers
$656.7M $2.5B
as of 2022
Series F Series F Oct 2025 355 2008 ↑ Active
45 Skild Unicorn
Developer of artificial intelligence to control robots for physical tasks
$314.5M $1.5B
as of 2024
Series C Series C Jan 2026 6 2023 ↑ Active
46 Kore
Provider of conversational and generative AI platforms
$234.3M Series D Series D Jan 2026 201 2013 ↑ Active
47 Groq Unicorn
Provider of AI inference platforms and on-premise AI inference clusters
$1B $2.8B
as of 2024
Series E Series E Sep 2025 165 2016 ↑ Active
48 Positron Unicorn
Developer of purpose-built hardware to accelerate multimodal AI
$309M Series B Series B Jan 2026 2023 ↑ Active
49 Flexiv Robotics Unicorn
Manufacturer of adaptive robots and robotic solutions for industrial automation
$122M $1B
as of 2022
Series C Series C Mar 2026 300 2016 ↑ Active
50 XtalPi Unicorn
AI-based drug research and development company
$784.8M $2B
as of 2021
Public Post IPO Sep 2025 27 2014 ↑ Active

Top 12 Artificial Intelligence companies in United States

#1
OpenAI Unicorn Series G
$17.9B Raised
expand_more
#1

OpenAI Unicorn Series G

location_onSan Francisco, California
Founded
2015
Employees
831
Funding raised
$17.9B
Valuation
$157B · 2024
Stage
Series G

AI research and deployment solutions developing advanced artificial intelligence systems and tools for global use. It support a wide range of applications across productivity, development, and enterprise use cases. Engages in foundational AI research, model development, and safety work to improve the capabilities and reliability of large-scale AI systems. Operates as a public benefit organization with a mission cente

Funding rounds (11 disclosed of 13)
Round Date Amount
Series G Apr 2026 $75M
Series G Mar 2026 $40M
Series G Feb 2026 $122B
Series E 2025 Undisclosed
Series F Mar 2025 $40B
Series E Nov 2024 Undisclosed
7 earlier rounds — sign up free
Tech stack
algoliaamazon cloudfrontamazon web servicesamplitudeangularjsapollo+14
#2
Lambda AI Unicorn Series E
$4.3B Raised
expand_more
#2

Lambda AI Unicorn Series E

location_onSan Jose, California
Founded
2012
Funding raised
$4.3B
Stage
Series E

Provider of supercomputers, clusters, and instances for artificial intelligence development. The company offers infrastructure for training foundation models and serving inference. It provides supercomputer resources, including high-density power, liquid cooling, and processors. The company delivers single-tenant clusters and instances optimized for artificial intelligence workloads. It focuses on security, complianc

Funding rounds (12 disclosed of 12)
Round Date Amount
Conventional Debt May 2026 $1B
Series E Nov 2025 $1.5B
Conventional Debt Aug 2025 $275M
Series D Feb 2025 $480M
Conventional Debt Apr 2024 $500M
Series C Feb 2024 $320M
6 earlier rounds — sign up free
Tech stack
6senseapple icloud mailcloudflarecloudflare bot managementcore-jsdiscourse+14
#3
Anduril Unicorn Series H
$3.8B Raised
expand_more
#3

Anduril Unicorn Series H

location_onCosta Mesa, California
Founded
2017
Employees
2,193
Funding raised
$3.8B
Valuation
$14B · 2024
Stage
Series H

Provider of AI-driven defense and autonomous systems across air, land, sea, and space domains. It develops integrated platforms that enhance situational awareness, real-time decision-making, and operational effectiveness for defense and security applications. It delivers a range of autonomous systems and software-defined defense infrastructure, including surveillance systems, unmanned platforms, and command-and-contr

Funding rounds (8 disclosed of 8)
Round Date Amount
Series H May 2026 $5B
Series G Dec 2025 $30M
Series G Jun 2025 $2.5B
Series F Aug 2024 $1.5B
Series E Dec 2022 $1.5B
Series D Jun 2021 $450M
2 earlier rounds — sign up free
Tech stack
amazon cloudfrontamazon s3amazon web servicesapolloaws certificate managercloudflare+14
#4
Anthropic Unicorn Series G
$4.5B Raised
expand_more
#4

Anthropic Unicorn Series G

location_onSan Francisco, California
Founded
2021
Employees
73
Funding raised
$4.5B
Valuation
$15B · 2023
Stage
Series G

Provider of AI safety and research company. It is an AI research and safety company offering AI models and chatbots. Its chatbot can be used for multiple industries including customer support, legal support, coaching, searching data, back-office automation, and sales.

Funding rounds (17 disclosed of 18)
Round Date Amount
Series G Apr 2026 $5B
Series G Feb 2026 $30B
Series F Jan 2026 $10B
Series F Sep 2025 $13B
Conventional Debt May 2025 $2.5B
Series E Mar 2025 $3.5B
12 earlier rounds — sign up free
Tech stack
amazon s3amazon web servicesbootstrapcloudflarecloudflare bot managementcore-js+14
#5
Waymo Unicorn Series D
$11.1B Raised
expand_more
#5

Waymo Unicorn Series D

location_onMountain View, California
Founded
2009
Employees
2,297
Funding raised
$11.1B
Valuation
$45B · 2024
Stage
Series D

Provider of self-driving and autonomous vehicle solutions for safe and accessible transportation. It is a developer of autonomous driving technology, focusing on creating safe and easy transportation systems for people and things. Utilizing machine learning, Waymo aims to improve road safety through its self-driving vehicle technology. The company has a strong research focus, publishing studies and datasets to advanc

Funding rounds (5 disclosed of 5)
Round Date Amount
Series D Feb 2026 $16B
Series C Oct 2024 $5.6B
Series C Jun 2021 $2.5B
Series B May 2020 $750M
Series B Mar 2020 $2.2B
Tech stack
amazon advertisingamazon webstoreangularappnexuscloudflarecloudflare bot management+14
#6
CoreWeave Unicorn Public
$2.3B Raised
expand_more
#6

CoreWeave Unicorn Public

location_onLivingston, New Jersey
Founded
2017
Employees
239
Funding raised
$2.3B
Valuation
$19B · 2024
Stage
Public

Provider of cloud computing services for artificial intelligence workloads. It combines next-generation infrastructure, intelligent tools, and expert support to power the world’s most complex AI workloads. It provides a platform with tools for AI model training, inference, and development. The company delivers managed Kubernetes and Slurm on Kubernetes.

Funding rounds (15 disclosed of 15)
Round Date Amount
Post IPO Apr 2026 $1B
Series C Mar 2025 $10M
Conventional Debt Oct 2024 $650M
Conventional Debt May 2024 $7.5B
Series C May 2024 $1.1B
Series B Dec 2023 $642M
9 earlier rounds — sign up free
Tech stack
6senseamazon advertisingamazon webstorebrightedgebugherdcdnjs+14
#7
xAI Unicorn Acquired
$6.1B Raised
expand_more
#7

xAI Unicorn Acquired

location_onPalo Alto, California
Founded
2023
Funding raised
$6.1B
Valuation
$24B · 2024
Stage
Acquired

Platform providing AI-powered assistant for image generation and trend analysis. It is an artificial intelligence (AI) company focused on advancing scientific discovery and fostering a deeper understanding of the universe through its AI model, Grok. Grok is a powerful AI assistant designed to provide truthful, useful, and curious insights by leveraging real-time search, image generation, and trend analysis capabiliti

Funding rounds (9 disclosed of 9)
Round Date Amount
Series E Jan 2026 $20B
Series C Oct 2025 $7.5B
Conventional Debt Oct 2025 $12.5B
Conventional Debt Jul 2025 $5B
Series C Jun 2025 $5.3B
Series C Nov 2024 $6B
3 earlier rounds — sign up free
Tech stack
amazon s3amazon web servicesbase uicloudflarecloudflare bot managementcloudflare browser insights+14
#8
Cerebras Unicorn Public
$750M Raised
expand_more
#8

Cerebras Unicorn Public

location_onSunnyvale, California
Founded
2015
Funding raised
$750M
Valuation
$4B · 2021
Stage
Public

Provider of high-performance AI infrastructure and wafer-scale computing solutions. It leverages proprietary wafer-scale processor technology to power generative AI, real-time reasoning, conversational AI, and intelligent agent workflows with significantly higher speed and efficiency than traditional GPU-based systems. Its offerings support cloud, on-premise, and private deployment environments, enabling organization

Funding rounds (9 disclosed of 10)
Round Date Amount
Conventional Debt Apr 2026 $850M
Series H Feb 2026 $1B
Series G Sep 2025 $1.1B
Grant (prize money) Jan 2025 $1.6M
Series F Nov 2021 $250M
Series E Nov 2019 Undisclosed
4 earlier rounds — sign up free
Tech stack
cdnjscloudflarecloudflare bot managementcloudflare browser insightscookieyesgodaddy+14
#9
Shield AI Unicorn Series G
$930.2M Raised
expand_more
#9

Shield AI Unicorn Series G

location_onSan Diego, California
Founded
2015
Employees
364
Funding raised
$930.2M
Valuation
$2.8B · 2023
Stage
Series G

Developer of AI-powered platforms and software for defense applications. The company provides solutions for mission autonomy, surveillance, and object detection. Its offerings include autonomous pilot software, command and control toolkits, and autonomy development platforms. It also manufactures unmanned aircraft for intelligence, surveillance, and reconnaissance missions.

Funding rounds (16 disclosed of 17)
Round Date Amount
Series G Mar 2026 $2B
Series F Feb 2025 $591.8M
Series F Dec 2023 $100M
Venture Debt Dec 2023 $200M
Series F Sep 2023 $281.3M
Series E Dec 2022 $60M
11 earlier rounds — sign up free
Tech stack
anime.jsapple icloud mailcloudflarecloudflare bot managementcore-jsdocusign+14
#10
Skydio Unicorn Series F
$570M Raised
expand_more
#10

Skydio Unicorn Series F

location_onSan Mateo, California
Founded
2014
Employees
332
Funding raised
$570M
Valuation
$2.2B · 2023
Stage
Series F

Manufacturer of autonomous drones and related software, services, and accessories. It provides drone platforms, docking stations, attachments, and software for autonomous flight, data capture, and integration. These products serve sectors including public safety, utilities, national security, inspection, transportation, construction, and oil and gas. Services include regulatory and success support, along with develop

Funding rounds (7 disclosed of 8)
Round Date Amount
Series F Apr 2026 $110M
Series E May 2024 $170M
Series E Mar 2022 $230M
Series D Feb 2021 $170M
Series C Jul 2020 $100M
Series B Feb 2018 $42M
2 earlier rounds — sign up free
Tech stack
affirmamazon cloudfrontamazon web servicesamerican expressapple icloud mailapple pay+14
#11
SambaNova Systems Unicorn Series E
$1.1B Raised
expand_more
#11

SambaNova Systems Unicorn Series E

location_onPalo Alto, California
Founded
2017
Employees
497
Funding raised
$1.1B
Valuation
$5B · 2021
Stage
Series E

Provider of AI-powered software and hardware. The platform offers a suite of generative AI systems for enterprises and government organizations. Its suite includes ChatGPT chatbots designed for banks, law firms, healthcare providers, and other sectors.

Funding rounds (5 disclosed of 5)
Round Date Amount
Series E Feb 2026 $350M
Series D Apr 2021 $676M
Series C Feb 2020 $250M
Series B Apr 2019 $150M
Series A Mar 2018 $56M
Founders & key people
Tech stack
6senseapple icloud mailatlassian statuspagecdnjscloudflarecloudflare bot management+14
#12
AIdoc Series E
$274.5M Raised
expand_more
#12

AIdoc Series E

location_onNew York City, New York
Founded
2016
Employees
403
Funding raised
$274.5M
Stage
Series E

Developer of clinical AI solutions for healthcare imaging and patient management. The company offers a platform designed for seamless integration into existing IT infrastructure. It provides tools for care coordination, patient identification, and systems integrations. The company focuses on streamlining workflows and centralizing patient management across various medical specialties.

Funding rounds (12 disclosed of 13)
Round Date Amount
Series E Apr 2026 $150M
Series E Jul 2025 $110M
Conventional Debt Jul 2025 $40M
Series D Nov 2023 $30M
Series D Dec 2022 Undisclosed
Series D Jun 2022 $110M
7 earlier rounds — sign up free
Tech stack
amazon sesamazon web servicesapple icloud mailatlassian statuspagecdnjscloudflare+14

Recent signals in United States Artificial Intelligence

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Funding & investor landscape

Total raised
$188.4B
across these companies
Companies funded
2,490
with disclosed funding
Highest-funded
$17.9B raised

Most active investors

YC Y Combinator 440 investments in Artificial Intelligence PC Plug and Play Tech Center 127 investments in Artificial Intelligence T Techstars 112 investments in Artificial Intelligence AH Andreessen Horowitz 97 investments in Artificial Intelligence AV Alumni Ventures 83 investments in Artificial Intelligence GC General Catalyst 75 investments in Artificial Intelligence SA SV Angel 74 investments in Artificial Intelligence LP Lightspeed Venture Partners 73 investments in Artificial Intelligence SC Sequoia Capital 69 investments in Artificial Intelligence KV Khosla Ventures 68 investments in Artificial Intelligence A Accel 66 investments in Artificial Intelligence NF National Science Foundation 59 investments in Artificial Intelligence

Notable founders in United States Artificial Intelligence

SA Sam Altman Co-Founder & CEO OpenAI · $17.9B raised
WZ Wojciech Zaremba Co-Founder OpenAI · $17.9B raised
SB Stephen Balaban Co-Founder & CEO Lambda AI · $4.3B raised
MG Matt Grimm Co-Founder & COO Anduril · $3.8B raised
JC Joseph Chen Co-Founder Anduril · $3.8B raised
BS Brian Schimpf Co-Founder & CEO Anduril · $3.8B raised
TS Trae Stephens Co-Founder Anduril · $3.8B raised
PL Palmer Luckey Co-Founder Anduril · $3.8B raised
BM Benjamin Mann Co-Founder Anthropic · $4.5B raised
JK Jared Kaplan Co-Founder & Chief Science Officer Anthropic · $4.5B raised
JC Jack Clark Co-Founder Anthropic · $4.5B raised
DA Daniela Amodei Co-Founder & President Anthropic · $4.5B raised

Frequently asked questions

How many Artificial Intelligence companies are there in United States?
Radar tracks 6007 indexable Artificial Intelligence companies headquartered in United States, India, that meet our profile-completeness bar.
What is the total funding raised by Artificial Intelligence companies in United States?
The Artificial Intelligence companies in United States on this list have raised a combined $188.4B in disclosed equity funding across 2490 funded companies.
Which is the highest-funded Artificial Intelligence company in United States?
OpenAI is the highest-funded Artificial Intelligence company in United States, with $17.9B in disclosed equity funding.
How many Artificial Intelligence companies in United States are funded?
2490 of the 6007 Artificial Intelligence companies in United States on this list have disclosed at least one equity funding round.
How many Artificial Intelligence unicorns are there in United States?
160 Artificial Intelligence companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Artificial Intelligence companies?
The most active investors in United States Artificial Intelligence companies on this list include Y Combinator, Plug and Play Tech Center, Techstars, Andreessen Horowitz, Alumni Ventures.

Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-16.

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