OpenAI

From the models to the business behind them. Follow our reporting on OpenAI and the choices shaping the AI industry.

Explore the coverage
OpenAI

At a glance

AI research and deployment company behind ChatGPT. Coverage follows its models, products, research, governance and the business of deploying AI.

Focus
ChatGPT; AI models and research
Reference
OpenAI

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.

Company milestones

Revenue, funding, product launches and major company events, newest first. Expand the earlier milestones for more history.

  1. Reported September annualized revenue is nearly $50B

    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: Reuters
  2. Brings GPT-6 and Intelligent UI to everyone

    OpenAI 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: OpenAI
Show earlier milestonesHide earlier milestones2026–2015 · 9 milestones

Earlier revenue, financing and company milestones.

  1. $122B in committed capital at $852B valuation

    OpenAI closes a financing round with $122B in committed capital. Commitments and valuation are financing measures, not sales.

    Source: OpenAI
  2. Discloses $2B → $6B → $20B+ annualized growth

    The 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: OpenAI
  3. Announces $40B financing at $300B valuation

    The SoftBank-led financing is announced alongside 500M weekly ChatGPT users. The figure is announced funding, rather than an ARR milestone.

    Source: OpenAI
  4. Adds a $4B revolving credit facility

    The credit agreement follows $6.6B in equity funding. Available borrowing capacity is distinct from equity proceeds and revenue.

    Source: OpenAI
  5. Releases GPT-4

    GPT-4 expands the model platform beyond ChatGPT’s original research-preview generation, with API access initially offered through a waitlist.

    Source: OpenAI
  6. Launches the ChatGPT research preview

    The conversational interface makes instruction-following language models available directly to the public.

    Source: OpenAI
  7. Opens its first commercial API

    Developers gain access to general-purpose language models through an API, establishing a business alongside research.

    Source: OpenAI
  8. Creates a capped-profit partnership

    OpenAI announces LP alongside its nonprofit, adding a structure for financing large-scale research and commercial development.

    Source: OpenAI
  9. OpenAI is announced

    The organization begins as a nonprofit AI research company, preceding its later commercial API and subscription businesses.

    Source: OpenAI

The latest on OpenAI

Newest first
1 min read · Members

GPT-6.1 Terra Leaks Through Microsoft's Code

Microsoft set unannounced GPT-6.1 Terra as an eval judge, then switched back; an X account claims it beats Sol for less, unconfirmed by OpenAI.

1 min read · Members

Altman Says Patching Every Bug Won't Work

Altman says patching every bug no longer works and blames slow leaders, three months after OpenAI's own models broke out and hacked Hugging Face.

1 min read · Members

Texas Sues OpenAI and Altman Over ChatGPT

Texas sued OpenAI and Altman over ChatGPT safety and wants new models cleared by a court evaluator, while Paxton's top backer, Musk, sells Grok.

8 min read · Members

Sam and Dario Sell Legroom

The ten smartest AI models carry only 6% of the traffic on an open platform.

1 min read · Members

Evaluators Found Ways to Blind OpenAI's Monitor

Outside evaluators found exploits that could hide agent actions from OpenAI's monitor; OpenAI says it patched them, and redacted the details from the public report.

1 min read · Members

OpenAI Opens Its Jev Rival to Everyone

OpenAI opened its Decisions API, a faster Luna built to rival TypeSafe's Jev, to all customers; it trails Jev on two public rankings.

AI Secret

AI Secret Membership

Choose your edge.

Independent AI analysis. Your own agent to take it further.

AI Secret

AI Secret Membership · Step 1 of 2

Your next chapter starts here.

Enter your email to choose your membership. Use the same email if you already read AI Secret.

Already a member? Sign in

AI Secret

Your free daily briefing

Check your inbox.

We've sent a confirmation link to . Follow the link to verify your email and complete your free subscription.

Free membership includes the daily briefing. Paid Deep Dives require a paid membership.