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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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