OpenAI
Startup lab · founded 2015 · San Francisco, United States · about 4,500 people (Mar 2026)
The GPT models and ChatGPT, and the scaling results that set off the large language model race.
Landmark work
Leaders
On Leaders
Sam Altman
Chief Executive Officer
Prabhjeet Singh
Managing Director, India
Elon Musk
Co-founder
Trevor Blackwell
Co-founder
Wojciech Zaremba
Co-founder
Diederik P. Kingma
Co-founder
Vicki Cheung
Co-founder
Pamela Vagata
Co-founder
Bret Taylor
Chair of the Board
Vijaye Raji
CTO of Applications
Jakub Pachocki
Chief Scientist
Mark Chen
Chief Research Officer
Dali Rajic
Chief Revenue Officer
Aaron Chatterji
Chief Economist
Scott Schools
Chief Compliance Officer
Sachin Katti
Leads compute infrastructure for AGI
Sandhya Devanathan
Head of Southeast Asia and Australia
Lilian Weng
Lead, internal research acceleration team
Gary Briggs
Interim Head of Marketing
Jony Ive
Lead, creative and design work
Tadao Nagasaki
Head of OpenAI Japan
Sarah Friar
CFO
Paul Meade
Hardware team
Noam Shazeer
Other data and AI roles
Dean Ball
Leader, Strategic Futures
Peter Steinberger
Other data and AI roles
Luke Metz
Other data and AI roles
Sam Schoenholz
Other data and AI roles
Dane Stuckey
CISO
Sebastien Bubeck
Other data and AI roles
Aleksander Madry
AI reasoning role
Models
On ModelsPapers on Papers
Lab page on PapersFunding and compute
On FundingUndisclosed
$11B, at a $1250B valuation
Private round
$122B, at an $852B post-money valuation
Growth
$122B, at a $852B valuation
Strategic
$1B
Amazon Web Services
Multi-year AWS compute partnership
Broadcom
10 GW of custom AI accelerators
AMD
6 GW of AMD Instinct GPUs
NVIDIA
At least 10 GW of NVIDIA systems
Growth
$40B, at a $300B valuation
Stargate (SoftBank, Oracle, MGX)
The Stargate Project: up to $500B of US AI infrastructure over four years
Debt
$4B
Growth
$6.6B, at a $157B valuation
Links
- Website
- openai.com
- Blog
- openai.com/news
- GitHub
- openai
- Hugging Face
- openai
- X
- @OpenAI
- Papers
- Lab page on Papers
- Blogs
- OpenAI News on Blogs
- Models
- 9 ranked models on Models
- Leaders
- Leadership on Leaders
- Funding
- 6 rounds on Funding
- Companies
- OpenAI across Glyph
About, sources and history
- Type
- Startup lab, ai research
- Headcount
- About 4,500 (Mar 2026), wikidata.org
- Sources
- wikidata.org Q21708200
- Registry
- OpenAI on Companies
History