What OpenAI actually does
OpenAI is an AI research and deployment company and the maker of ChatGPT and the GPT family of models, used by hundreds of millions of people and over a million organizations worldwide.
Revenue segments
ChatGPT subscriptions
Consumer and prosumer plans (Plus, Pro) are OpenAI's single largest revenue source, led by ChatGPT Plus at $20/month.
Majority of revenueEnterprise & Team
ChatGPT Enterprise, Team, and Edu seats deployed across organizations. Enterprise now makes up more than 40% of revenue and is closing on consumer.
9M+ paying business usersAPI platform
Usage-based access to the GPT family for developers, billed per token. APIs now process more than 15 billion tokens per minute.
>15B tokens/minuteCodex & agents
Codex and agentic tooling for software work, a fast-growing wedge into developer and enterprise budgets.
2M+ weekly Codex usersCompute & infrastructure
Frontier AI is a capital-intensive business. OpenAI's compute is anchored by deep partnerships:
- Microsoft Azure (primary cloud partner), $250B purchase commitment
- Stargate: $500B, 10 GW US data-center plan with SoftBank, Oracle, NVIDIA, and Crusoe
- Amazon Web Services, $38B seven-year agreement on Trainium compute
- Oracle, ~$300B multi-year cloud commitment beginning 2027; plus CoreWeave capacity
The team
OpenAI was founded in 2015 by Sam Altman, Greg Brockman, Ilya Sutskever and others, and is headquartered in San Francisco, California. It restructured in 2025 into OpenAI Group PBC, controlled by the nonprofit OpenAI Foundation. Learn more about who backs the company or read the valuation analysis.