TECH STACK

How OpenAI builds

Extracted from OpenAI’s job postings we’ve tracked

Programming Languages

Python×45 JavaScript×13 C++×11 TypeScript×10 Go×4 Rust×4

DevOps & Infrastructure

Docker/Kubernetes×12 Kubernetes×12 Terraform×6

Cloud Platforms

Amazon Web Services×11 Microsoft Azure×11 Google Cloud×5

Databases

SQL×14 PostgreSQL×6 MySQL×4

Mobile

Android×6

Frameworks & Libraries

Node.js×6

Other Software & Platforms

reStructuredText×6

AI & Machine Learning

PyTorch×5

CRM & Sales Tools

Salesforce×4

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LEADERSHIP

Founders & key people

Greg Brockman

Vicki Cheung

Pamela Vagata

John Schulman

Durk Kingma

Trevor Blackwell

Andrej Karpathy

Wojciech Zaremba

Polish mathematician and computer scientist

OpenAIMeta Platforms, Inc.GOOGLEEcole Centrale ParisNvidia CorporationSoftware OperationsNew York UniversityÉcole PolytechniqueUniwersytet WarszawskiVrije Universiteit Amsterdam

Ilya Sutskever

AI researcher

OpenAIGOOGLEDNNResearchStanford UniversityUniversity of TorontoGoogle BrainUniversity of TorontoOpen University of IsraelStanford University

Elon Musk

American business magnate (born 1971)

SpaceXTwitterTeslaNeuralinkPERQUESTeSaverUniversity of PennsylvaniaThe Wharton SchoolStanford UniversitySmith School of Business

Sam Altman

CEO of OpenAI LP and former president of Y Combinator

AltC AcquisitionGreen DotHydrazine Capital LPExpedia Group, Inc.Bridgetown 2 Holdings LtdStellar Development FoundationStanford UniversityJohn Burroughs School

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OPEN ROLES

Hiring at OpenAI

View all 717 open roles →

FUNDING

Capital raised

Total raised

$78,000,119,808

Investors

Y Combinator Sv Angel Founders Fund Khosla Ventures Sequoia Capital Andreessen Horowitz Insight Partners Quiet Capital Tiger Global Management

Funding rounds

Series Unknown
$75MApr 22, 2026
Series Unknown
$122BFeb 27, 2026
Corporate Round
$1BDec 11, 2025
Secondary Market
$6.6BOct 2, 2025
Secondary Market
Dragoneer Investment Group, Thrive Capital, T. Rowe Price, SoftBank Group, NOTBTC
$6.6BOct 1, 2025
Series Unknown
$40BMar 31, 2025
Series Unknown
SoftBank Group, Coatue, Microsoft, Altimeter Capital Management, Founders Fund, TPG, Blackstone, Thrive Capital, Dragoneer Investment Group, Fidelity Investments, Tiger Global Management, T. Rowe Price, Andreessen Horowitz, D1 Capital Partners, Sequoia Capital, Gatelanes
$40BMar 30, 2025
Debt Financing
$4BOct 3, 2024
Debt Financing
Cushman & Wakefield, Banco Santander, HSBC, Sumitomo Mitsui Banking, UBS, Morgan Stanley, Goldman Sachs, Wells Fargo, Citigroup
$4BOct 2, 2024
Series Unknown
$6.6BOct 2, 2024
Series Unknown
Thrive Capital, Fidelity Investments, Khosla Ventures, Nvidia, Altimeter Capital Management, SoftBank Group, NOTBTC, Microsoft, ARK Venture Fund, Tiger Global Management, Coatue, Futurum Capital, CoreNest Capital, Irving Investors, SGH Capital
$6.6BOct 1, 2024
Secondary Market
$9.5BFeb 16, 2024
Secondary Market
Thrive Capital, DataPower Ventures, Thomas Witt, Michael Bassler, Richard Cooperstein
$9.5BFeb 15, 2024
Secondary Market
$300MApr 28, 2023
Secondary Market
Andreessen Horowitz, K2 Global, Sequoia Capital, Thrive Capital, Founders Fund, Wisdom Ventures, SV Angel, Tiger Global Management, Firestreak Ventures, Edelweiss Capital
$300MApr 27, 2023
Corporate Round
$10BJan 10, 2023
Corporate Round
Microsoft
$10BJan 9, 2023
Corporate Round
$1BJul 23, 2019
Corporate Round
Microsoft, Matthew Brown
$1BJul 22, 2019
Seed
$50MMar 11, 2019
Pre Seed
$120KAug 22, 2016
Pre Seed
Y Combinator
$120KAug 21, 2016

Funding data via Diffbot

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Categorized in

Industry

AI & Machine Learning Foundation Models & LLMs AI Infrastructure

LOCATIONS

Where they work

OpenAI Headquarters Location

San Francisco, CA, 94103

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OpenAI