Europe Taxes the Future
Plus: OpenAI Guards the Grid It Drains, Musk's Abundance Lasted Three Days
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AI research and deployment company behind ChatGPT. Coverage follows its models, products, research, governance and the business of deploying AI.
Reviewed 19 October 2026. Dates retain the precision of the source; retrospective disclosures are identified in the event. Annualized revenue levels are not audited annual sales. Financing commitments are not revenue.
Revenue, funding, product launches and major company events, newest first. Expand the earlier milestones for more history.
Reuters reports a September run rate near $50B. Earlier figures near $70B used a different sales presentation; the two should not be treated as directly comparable growth milestones.
Source: ReutersOpenAI extends the new model generation beyond paid customers and reports more than 1.2B weekly ChatGPT users. This is user reach, not paid subscribers.
Source: OpenAIEarlier revenue, financing and company milestones.
OpenAI closes a financing round with $122B in committed capital. Commitments and valuation are financing measures, not sales.
Source: OpenAIThe CFO retrospectively reports $2B ARR in 2023, $6B in 2024 and over $20B in 2025. These are year-specific annualized levels, not recognized annual revenue; this is the disclosure date.
Source: OpenAIThe SoftBank-led financing is announced alongside 500M weekly ChatGPT users. The figure is announced funding, rather than an ARR milestone.
Source: OpenAIThe credit agreement follows $6.6B in equity funding. Available borrowing capacity is distinct from equity proceeds and revenue.
Source: OpenAIGPT-4 expands the model platform beyond ChatGPT’s original research-preview generation, with API access initially offered through a waitlist.
Source: OpenAIThe conversational interface makes instruction-following language models available directly to the public.
Source: OpenAIDevelopers gain access to general-purpose language models through an API, establishing a business alongside research.
Source: OpenAIOpenAI announces LP alongside its nonprofit, adding a structure for financing large-scale research and commercial development.
Source: OpenAIThe organization begins as a nonprofit AI research company, preceding its later commercial API and subscription businesses.
Source: OpenAIBriefs, articles and relevant sections, newest first. Explore older coverage below.
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Plus: OpenAI Guards the Grid It Drains, Musk's Abundance Lasted Three Days
Read the storyAt an Abu Dhabi oil conference, Altman said the unnamed next GPT ran the 10,000 agent Navier-Stokes proof and will ship soon, with no date.
OpenAI's new LifeVal benchmark scores everyday chores like childcare and paperwork; GPT-6 Astra averages 80.6%, and every model on its chart is OpenAI's.
A ChatGPT ad visit earned US advertisers $0.89 against $2.45 from search, and researchers value its click at under a tenth of OpenAI's suggested bid.
OpenAI lobbyist Chris Lehane told half a dozen 2028 hopefuls that backing a data center moratorium and losing to China could be their Iraq vote.
OpenAI's Grid Protectors deal lets Georgia Power cut up to 1,000 megawatts from a planned 3.2 gigawatt campus, less than a third of its draw.
Plus: Google Needs SpaceX 35 Times Cheaper, OpenAI Can't Find $19 Billion
A shared ChatGPT link could run attacker code in a victim's session and read private chats; OpenAI fixed it and paid a $5,000 bounty.
OpenAI wants its data centers called compute campuses, part of a post-midterm PR push, as most Americans in one poll call them environmentally harmful.
Google, Microsoft, OpenAI and Anthropic will honor one robots.txt rule against AI training, but it is a draft and only Microsoft has a fixed date.