AI : OpenAI reaches a valuation of 852 billion dollars after a record fundraising round

OpenAI has just completed a 122 billion dollar fundraising round, for a post-money valuation of 852 billion. This figure is impressive, but it mainly says one simple thing: in 2026, AI now attracts capital of almost industrial scale.

A fundraising that changes scale

OpenAI did not sign a classic funding round. The company finalized, on March 31, 2026, a 122 billion dollar fundraising round. Amazon, Nvidia, and SoftBank are among the strategic partners, while Microsoft continued its participation.

This detail matters because the money is not only aimed at a popular product. OpenAI now presents its model as an infrastructure layer for AI, with massive needs in chips, cloud, and data centers. Its architecture already relies on several partners, including Microsoft, AWS, Oracle, Google Cloud, and Nvidia.

That is why markets are closely watching this case. When so many giants inject so much capital into a single private company, it is no longer a bet on a trend. It is a large-scale test on the real economic value of AI.

ChatGPT is no longer just a flagship product

OpenAI can justify this valuation through an extraordinary traction. The company claims that ChatGPT now exceeds 900 million weekly users and 50 million subscribers, with a monthly revenue of 2 billion dollars. At this scale, it’s no longer a viral tool but a global distribution network.

Another important signal is that growth relay no longer comes only from the general public. OpenAI says that enterprise already accounts for more than 40% of its revenues and could reach the consumer segment by the end of 2026. In short, the shift towards professional uses is already underway.

This is probably the core of the case. Investors are not only buying ChatGPT’s current audience. They are buying the idea that OpenAI can become the work interface of tomorrow, both to write, code, search, automate, and execute.

The real issue remains the cost of AI

This story is nevertheless not a straight line. If OpenAI raises so much, it is also because cutting-edge AI is extremely expensive to train, serve, and maintain. The company had surpassed 25 billion dollars in annualized revenue, but at the same time, it continues to invest heavily to support its growth.

We also see a more disciplined logic appearing on the monetization side. The advertising test launched in ChatGPT has already exceeded 100 million dollars in annualized revenue in six weeks, a sign that OpenAI is looking for new levers beyond subscriptions and the API.

The tension point is thus clear. The bigger the company grows, the more it must prove that it can transform its technical dominance into a sustainable economic machine. In artificial intelligence, size attracts money, but it also increases the bill.