How many total AI Infrastructure companies are there?

As of Apr 2026, there are 9,111 active companies in AI Infrastructure sector.

Which countries have the most AI Infrastructure companies?

United States (3,134) has the highest number of AI Infrastructure companies, followed by United Kingdom (596) and India (589).

How many AI Infrastructure companies are funded?

As of Apr 2026, 2,109 companies in this sector have received funding.

Which company has raised the most funding in AI Infrastructure sector?

As of Apr 2026, OpenAI has secured $168B in funding, making it the highest-funded company in the AI Infrastructure sector.

Which country has attracted the most investment in AI Infrastructure companies?

With $386B in total funding, United States has attracted the most investment among AI Infrastructure companies.

Who are the top investors in AI Infrastructure companies?

The top investors in AI Infrastructure companies by number of investments are Y Combinator, Europa and Sequoia Capital

How much venture capital has AI Infrastructure sector attracted?

In the last 10 years, venture capital firms have invested $234B in this sector.

How many unicorns has AI Infrastructure sector produced?

Globally, there are 76 unicorns in AI Infrastructure sector, to date.

AI Infrastructure - 2026 Market & Investments Trends

There are 9.52K companies in the AI Infrastructure sector across the world, with 2.11K funded companies having collectively raised $448B in venture capital money and private equity. Overall 845 of these are Series A+ funded and the sector has seen the creation of 76 Unicorns.

AI Infrastructure sector has seen 217 acquisitions and 63 IPOs.

This sector includes artificial Intelligence Infrastructure (AI Infrastructure) includes companies providing algorithms, frameworks, libraries, cloud infrastructure, compute infrastructure, and hardware such as AI accelerators that enable the development, training, deployment, and scaling of AI and ML-based models and applications.

AI Infrastructure sector is also known as Machine Learning Infrastructure, Machine Learning Platform, AI Development Tools or AI Tooling.

Companies included in AI Infrastructure sector

Includes companies offering software infrastructure like AI frameworks and libraries, model development platforms, data preparation and ingestion platforms, model orchestration and serving tools, AI middlewares like vector databases, AI pipelining tools, MLOps solutions, and training data platforms. Hardware and compute infrastructure providers such as AI Accelerators and processors (TPUs, GPUs, ASICs, etc), AI cloud and GPU compute providers, networking and storage solutions for AI, edge AI hardware, among others, are also included Also included are prominent foundational model developers, open source AI solution providers, and AI marketplaces

Companies excluded in AI Infrastructure sector

Companies that develop AI applications directly for specific enterprises (such as recruitment, BI) or consumer (such as virtual assistants, recommendation systems) use are excluded. Companies offering AI development services using third-party frameworks only, are also excluded. Pure data and analytics solution providers with no AI focus are also excluded

Key Metrics

Total Companies

9.52K

Top Companies

OpenAI, Mistral AI & more

Total Funding

Funded Companies

Series A+ Companies

Series C+ Companies

Unicorns Created

IPOs

Acquisitions

217

Also known as

Machine Learning Infrastructure or Machine Learning Platform

View complete details of this sector

The market map of AI Infrastructure gives a visual overview of the sector, showing key business models, their interactions in the value chain, and industry evolution. Top 3 trending business models in AI Infrastructure sector are No Code AI Platforms, Computer Vision Platforms and Automated Data Annotation.

Recent BlueBox/Industry Definition image of AI Infrastructure

Here are some reports related to AI Infrastructure sector:

Free

AI Infrastructure - Sector Report

Edition: November, 2025 (88 Pages)

Premium

AI Infrastructure Investor Landscape

Edition: April, 2025 (12 Pages)

Premium

AI Infrastructure Exit Landscape

Edition: August, 2025 (15 Pages)

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There are more than 9.52K companies in AI Infrastructure. OpenAI is the top AI Infrastructure company globally, ranked using Tracxn Score (what's this?).

Here are 5 of the top AI Infrastructure companies globally:

Company	Description	Location	Founded	Current Stage	Private Funding Raised
OpenAI	Developer of artificial intelligence models tools and research-driven platforms	San Francisco (United States)	2015	Series F	$168B
Mistral AI	Developer of frontier AI models, assistants, agents, and related services	Paris (France)	2023	Series C	$3.05B
Anthropic	Platform offering conversational chatbot and research services	San Francisco (United States)	2021	Series G	$67.3B
Scale AI	Labeled data to train AI applications	San Francisco (United States)	2016	Series G	$15.9B
Nvidia	Developer of hardware and software solutions for artificial intelligence computing	Santa Clara (United States)	1993	Public	-

Get a longer list of companies

Companies founded year-on-year in the AI Infrastructure sector

36 new startups have been founded so far in 2026 in the AI Infrastructure sector. 1,523 AI Infrastructure startups were founded in 2025 - this is the most number of startups founded in any year in the last 10 years.

Total Number of Companies

Year	No. of companies
2026	36
2025	1,523
2024	1,212
2023	1,086
2022	436
2021	372
2020	354
2019	368
2018	311
2017	340

Companies founded across countries in the AI Infrastructure sector

United States has 3,134 AI Infrastructure startups, the most by any country, followed by United Kingdom which has 596 startups and India which has 589.

Total Number of Companies

Country	No. of companies
United States	3,134
United Kingdom	596
India	589
China	570
Germany	310
Canada	206
Singapore	189
France	161
South Korea	128
Switzerland	114

Stage-wise distribution of the AI Infrastructure sector

Out of the total 9,516 AI Infrastructure companies, 2,109 have secured funding. Among them, 845 have reached Series A or higher, and 512 to Series B or beyond.

Founded - 9,516

Funded - 2,109

Series A+ - 845

Series B+ - 512

Series C+ - 388

Company Stage	No. of companies
Founded	9,516
Funded	2,109
Series A+	845
Series B+	512
Series C+	388

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9.5K+ Total Companies
$448B+ Total Funding
2.1K+ Funded Companies
60+ IPOs
215+ Acquisitions
80+ Reports

Total funding year-on-year in the AI Infrastructure sector

The AI Infrastructure sector saw a total funding of more than $445B in the last 10 years. The most amount of funding has been in 2026 at more than $197B till date.

Total Funding

Year	Total Funding
2026	$197B
2025	$134B
2024	$56.7B
2023	$25B
2022	$5.61B
2021	$10.1B
2020	$4.93B
2019	$4.21B
2018	$5.09B
2017	$2.29B

Total funding across countries in the AI Infrastructure sector

In the last 10 years, AI Infrastructure startups in United States have recieved the highest funding among all countries - $386B. China follows with $16.3B and United Kingdom with $9.31B.

Total Funding

Country	Total Funding
United States	$386B
China	$16.3B
United Kingdom	$9.31B
France	$5.89B
Canada	$3.29B
Israel	$2.04B
South Korea	$1.49B
India	$1.37B
Germany	$1.19B
Japan	$934M

Total funding amount raised by stage in the AI Infrastructure sector

Over the last 10 years, the AI Infrastructure sector have seen $8.47B into Seed Stage funding rounds, $46.3B into Early Stage funding rounds and $333B go into Late Stage funding rounds.

Funding Stage	Total Funding
Late Stage	$333B
Debt	$50B
Early Stage	$46.3B
Seed Stage	$8.47B
Post IPO	$4.91B
Grant	$548M
Other-Equity	$501M
ICO	$280M
PE	$10.9M

Recent Funding Rounds in AI Infrastructure

In the year 2026, till March 2026, AI Infrastructure companies have raised $183B in equity funding across 175 rounds. In the same period last year (i.e. till March 2025), AI Infrastructure companies had raised $47.9B across 123 rounds. So, 2026 has seen a 281.36% rise in funding in AI Infrastructure companies as compared to 2025.

Here are some recent, important funding rounds in AI Infrastructure:

Company	Round Raised	Amount Raised	Funding Date	Investors
Code27	Seed	3336	Mar 30, 2026	-
Sycamore	Seed	2579	Mar 30, 2026	Coatue and 11 more
Rebellions	Series D	7773	Mar 30, 2026	Mirae Asset and 1 more
Sakana	Series B	6116	Mar 25, 2026	Mitsubishielectric
VectorWave	Seed	5760	Mar 25, 2026	J2 Ventures and 1 more

See a more detailed list of funding rounds

Y Combinator is the top investor in AI Infrastructure companies based on number of companies invested.

Here are some top investors in AI Infrastructure:

Investor	Location	Top Portfolio Companies
Y Combinator	Mountain View (United States)	Scale AI, SingleStore, Deepgram and Unbabel
Europa	Belgium	Nvidia, iProov, Unbabel and Axelera AI
Sequoia Capital	Menlo Park (United States)	OpenAI, Anthropic, Nvidia and Hugging Face
Andreessen Horowitz	New York City (United States)	OpenAI, Mistral AI, ElevenLabs and Rasa
Nvidia	Santa Clara (United States)	OpenAI, Mistral AI, Anthropic and Scale AI

See a more detailed list of investors

In the year 2026, till March 2026, 11 acquisitions happened in AI Infrastructure sector. Last year, in 2025, a total of 52 acquisitions happened in AI Infrastructure sector.

Here are some recent, important acquisitions in AI Infrastructure:

Company	Acquisition Type	Acquisition Date	Acquirers
Dragon LLM	Business Acquisition	Mar 25, 2026	OVHcloud
Promptfoo	Business Acquisition	Mar 10, 2026	OpenAI
Traceloop	Business Acquisition	Mar 03, 2026	ServiceNow
Vantager	Business Acquisition	Mar 02, 2026	MSCI
Ori	Business Acquisition	Feb 25, 2026	-

See a more detailed list of acquisitions

Acquisition trends in AI Infrastructure

Here are the acquisition trends in AI Infrastructure:

Total Number of Acquisitions

Year	No. of companies
2026	11
2025	52
2024	24
2023	20
2022	18
2021	22
2020	19
2019	14
2018	14
2017	8

In the year 2026, till February 2026, 5 IPOs happened in AI Infrastructure sector.

Here are some recent, important IPOs in AI Infrastructure:

Company	IPO Date	Exchange Symbol
Rank One Computing	Feb 20, 2026	National Association of Securities Dealers Automated Quotations (NASDAQ)
Axera	Feb 10, 2026	Hong Kong Exchanges (HKG)
MiniMax	Jan 09, 2026	Hong Kong Exchanges (HKG)
Zhipu	Jan 08, 2026	Hong Kong Exchanges (HKG)
Iluvatar CoreX	Jan 08, 2026	Hong Kong Exchanges (HKG)

See a more detailed list of IPOs

Companies founded by alumni from top colleges in the AI Infrastructure sector

Most number of AI Infrastructure startups have been founded by alumni from Stanford University, Massachusetts Institute of Technology and University of California (Berkeley).

College	No. of companies
Stanford University	145
Massachusetts Institute of Technology	105
University of California (Berkeley)	80
Harvard University	74
Carnegie Mellon University	67
University of Cambridge	40
University of Oxford	38
Cornell University	37
Columbia University	33
University of Toronto	31

Total funding in companies founded by alumni from top colleges in the the AI Infrastructure sector

In the last 10 years, Harvard University graduates' AI Infrastructure companies have raised the most funding among top colleges. Massachusetts Institute of Technology alumni are second, and University of Toronto alumni are third.

College	Total Funding
Harvard University	$308B
Massachusetts Institute of Technology	$270B
University of Toronto	$242B
Carnegie Mellon University	$197B
New York University	$175B
Stanford University	$88.6B
Columbia University	$84.9B
Stanford Business School	$73.2B
Princeton University	$70.2B
University of Oxford	$8.06B