Explore OpenAI
Core profile pages, annual revenue records, and related research hubs for this company.
Explore OpenAI
Core profile pages, annual revenue records, and related research hubs for this company.
Company History
Founded 2015 in San Francisco, California, United States
OpenAI traces its origins to 2015, with Sam Altman, Greg Brockman, Ilya Sutskever, Wojciech Zaremba, John Schulman, Elon Musk, and other early contributors tied to the founding story. The early choices around customers, products, and operating discipline still shape how the company competes today. ChatGPT launched in 2022 and turned OpenAI from a frontier lab into the defining consumer and enterprise AI platform company.
As OpenAI's CEO since 2019 and a co-founder and original board co-chair from 2015, Sam Altman has been the most publicly visible figure in the company's commercial evolution. His background as a startup founder and the president of Y Combinator gave him a distinctive combination of operational credibility, investor relationships, and pattern recognition about product-market fit that shaped OpenAI's transition from research institution to commercial enterprise. Altman championed the Microsoft investment, the capped-profit restructuring, and the aggressive product commercialization strategy that produced ChatGPT. His five-day firing and reinstatement in November 2023 — arguably the most dramatic corporate governance crisis in Silicon Valley since Steve Jobs's 1985 departure from Apple — paradoxically strengthened his position by demonstrating that the organization's commercial success was deeply associated with his leadership. His vision of artificial general intelligence as achievable within years rather than decades drives OpenAI's urgency and its tolerance for the financial losses required to maintain frontier model development.
Elon Musk's relationship with OpenAI is one of the most complicated and publicly litigated founder-company relationships in technology history. After departing the board in 2018, Musk remained publicly supportive of AI safety concerns but grew increasingly critical of OpenAI's commercial direction and its partnership with Microsoft. In 2023, Musk founded xAI, a direct competitor, and launched the Grok AI assistant through the X platform. In 2024, Musk filed a lawsuit against OpenAI, Sam Altman, and Greg Brockman alleging that the company had breached its founding mission by prioritizing profits over humanity's benefit and by entering into what he characterized as an improper relationship with Microsoft. OpenAI responded by publishing a trove of emails purporting to show that Musk had himself sought majority control of the organization. The legal dispute remained ongoing as of mid-2025 and has introduced regulatory and reputational complications into OpenAI's for-profit restructuring process.
Greg Brockman served as OpenAI's President from its founding through mid-2024, when he announced he was taking an extended sabbatical. His technical background and operational focus complemented Altman's external-facing role and Sutskever's research leadership. Brockman's experience at Stripe — one of the most technically sophisticated payment infrastructure companies in the world — gave him a depth of systems engineering expertise that was critical in OpenAI's early years when the organization was building the computational infrastructure needed to train and serve large models. Brockman was deeply involved in the development and release of the GPT series and ChatGPT and was regarded as one of the key architects of the company's engineering culture. His sabbatical announcement in 2024 was widely interpreted as a reflection of the organizational strain produced by the November 2023 governance crisis.
Ilya Sutskever was the intellectual engine of OpenAI's research agenda from its founding through his departure in May 2024. As Chief Scientist, he oversaw the development of the GPT series, InstructGPT, DALL-E, and the reinforcement learning from human feedback methodology that transformed GPT-3 into ChatGPT. Sutskever was also the primary architect of the safety-focused research agenda that made OpenAI distinctive within the AI research community — a commitment to alignment and interpretability research that ran alongside, and sometimes in tension with, the organization's commercial imperatives. In November 2023, Sutskever was among the board members who voted to fire Sam Altman — a decision he publicly expressed regret about the following day, signing the employee letter demanding Altman's reinstatement. Sutskever departed OpenAI in May 2024 to found the safety-focused AI startup Safe Superintelligence Inc. With former OpenAI researcher Daniel Gross and Jan Leike's colleague Daniel Levy.
OpenAI was founded as an AI research lab with a mission to ensure artificial general intelligence benefits humanity.
ChatGPT turned frontier models into a mass-market assistant and accelerated consumer and enterprise AI adoption.
OpenAI said revenue reached $20B+ ARR in 2025 as compute and adoption scaled.
OpenAI announced $110B in new investment at a $730B pre-money valuation.
OpenAI traces its origins to 2015.
Sam Altman, Greg Brockman, Ilya Sutskever, Wojciech Zaremba, John Schulman, Elon Musk, and other early contributors founded or shaped the founding of OpenAI.
ChatGPT launched in 2022 and turned OpenAI from a frontier lab into the defining consumer and enterprise AI platform company.
This OpenAI history page covers founding, growth milestones, leadership changes, and modern strategy.