OpenAI in a few pages, for writers, partners and anyone curious: the facts, the people, the money, the products and the news. Put together by ToolGPA, not by OpenAI.
ChatGPT is made by OpenAI, an AI research and product company whose for-profit arm, OpenAI Group PBC, is controlled by the nonprofit OpenAI Foundation. It earns money from ChatGPT subscriptions and business plans, from developers paying for its API, and from an ads pilot it started in 2026.
Founded
2015
Based in
San Francisco
Chief executive
Sam Altman
Valuation
$852 billion
Latest round
Funding round, $122 billion
Ownership
Owned by a nonprofit
Unofficial. Put together by ToolGPA from OpenAI’s own pages, news reports and our own grades, read Oct 18, 2026. Not made, paid for or approved by OpenAI. toolgpa.com
Part 01 · Company
The company
Who they are, the facts in one place, and the people who run it
2015
The year OpenAI was founded, in San Francisco
In a sentence
ChatGPT is made by OpenAI, an AI research and product company whose for-profit arm, OpenAI Group PBC, is controlled by the nonprofit OpenAI Foundation. It earns money from ChatGPT subscriptions and business plans, from developers paying for its API, and from an ads pilot it started in 2026.
In a paragraph
OpenAI was founded in 2015 and is based in San Francisco, California. Sam Altman is its CEO; Greg Brockman and Ilya Sutskever are co-founders. Its last reported valuation was $852 billion, in March 2026.
Free to quote. Please link to toolgpa.com so readers can check the facts.
Fact sheet
Company
OpenAI
Founded
2015
Based in
San Francisco, California
Last valuation
$852 billion (Mar 31, 2026)
Website
chatgpt.com
Products we list
ChatGPT
Ownership: Owned by a nonprofit
OpenAI Group PBC is a public benefit corporation controlled by the nonprofit OpenAI Foundation, which held 26% of it after the October 2025 recapitalization; Microsoft held about 27% and employees and investors the other 47%, per its structure page.
813 open jobs across the whole company; the largest groups are technical success (69), applied AI engineering (68), sales (41) and marketing (38).
Partner program
The OpenAI Partner Network is for consultancies and integrators that build, co-sell and deliver solutions on OpenAI's models; companies apply through a partner portal. No payment terms are published.
Part 02 · Funding
The money
Every announced round, who put money in, and what it was last valued at
$852B
Last reported valuation, Mar 31, 2026
Closed a round of $122 billion in committed capital at an $852 billion post-money valuation on March 31, 2026, co-led by SoftBank, according to its own announcement. It announced $40 billion in March 2025 and $6.6 billion in October 2024, and Microsoft invested $1 billion in 2019 and more in 2021 and 2023. No overall total is stated.
Announced rounds, oldest first. Bar heights are to scale.
Every announced round
Mar 31, 2026Funding round$122 billionLed by SoftBank, a16z, D. E. Shaw Ventures, MGX, TPG, accounts advised by T. Rowe Price Associates, Inc.. With Amazon, NVIDIA, Microsoft, Altimeter, Appaloosa LP, ARK Invest, affiliated funds of BlackRock, Blackstone, Coatue, D1 Capital Partners, Dragoneer, Fidelity Management & Research Company, Goanna Capital, Insight Partners, The Paragon Group, Sands Capital, Sequoia Capital, Sound Ventures, Temasek, Thrive Capital. openai.com
Mar 31, 2025Funding round$40 billionWith SoftBank Group. openai.com
Oct 2, 2024Funding round$6.6 billionopenai.com
Jan 23, 2023Strategic investmentLed by Microsoft. openai.com
Jul 22, 2019Strategic investment$1 billionLed by Microsoft. openai.com
Dec 11, 2015Donation pledges$1 billionWith Sam Altman, Greg Brockman, Elon Musk, Reid Hoffman, Jessica Livingston, Peter Thiel, Amazon Web Services (AWS), Infosys, YC Research. openai.com
Investors named
Microsoft
a16z
accounts advised by T. Rowe Price Associates, Inc.
D. E. Shaw Ventures
MGX
SoftBank
TPG
affiliated funds of BlackRock
Altimeter
Amazon
Amazon Web Services (AWS)
Appaloosa LP
ARK Invest
Blackstone
Coatue
D1 Capital Partners
Dragoneer
Elon Musk
Fidelity Management & Research Company
Goanna Capital
Greg Brockman
Infosys
Insight Partners
Jessica Livingston
NVIDIA
Peter Thiel
Reid Hoffman
Sam Altman
Sands Capital
Sequoia Capital
SoftBank Group
Sound Ventures
Temasek
The Paragon Group
Thrive Capital
YC Research
Filled: led at least one round. As each announcement names them.
Last valuation
$852 billion
Mar 31, 2026
Post-money valuation that OpenAI announced itself when it closed its $122 billion round on March 31, 2026.
What they make
ChatGPT, as ToolGPA grades it: five subjects, a letter for each, and a GPA.
ChatGPT
OpenAI's general-purpose AI assistant for chat, images and voice
#1 of 58 AI assistantsFrom $8 per monthFree plan4.8 on the App Store
3.4GPA
Our pick for most people. Want one AI app that does a bit of everything?
CValue
BFree
AFeatures
AEase
APlatforms
ChatGPT’s grade as a badge for its own site, free: it updates itself and links to the review. Code at toolgpa.com/badges.
Part 04 · News
News and contacts
What they have announced lately, and every official channel
This media kit is ToolGPA’s own summary of what OpenAI’s pages, news reports, investors’ announcements and public filings said on the dates shown, with our own grades. It is not made, paid for or approved by OpenAI, and OpenAI’s names and logos are trademarks of their owner. Grades are our judgement under the rules at toolgpa.com/grades. ToolGPA uses affiliate links and may earn a commission from them, and it works with sponsors; no one can pay for a grade. Product pictures are OpenAI’s own, from its website and app-store listings.