OpenAI announced Friday morning that it has raised $110 billion in private funding, kicking off one of the largest private funding rounds in history. The new funding consists of a $50 billion investment from Amazon and $30 billion each from Nvidia and SoftBank at a pre-money valuation of $730 billion.
Notably, this round is still open, and OpenAI expects more investors to participate as the round progresses.
“Frontier AI is entering a new phase as it moves from research to everyday use on a global scale,” OpenAI said. “Leadership depends on being able to scale your infrastructure fast enough to meet demand and turn that capability into products that people trust.”
As part of the investment, OpenAI will enter into significant infrastructure partnerships with both Amazon and Nvidia. As with previous rounds, the exact split amount has not been disclosed, but the dollar equivalent will likely come in the form of services rather than cash.
The company’s previous round closed in March 2025, raising $40 billion at a valuation of $300 billion. At the time, this was the largest private financing round in history.
As part of the Amazon partnership, OpenAI will develop a new “stateful runtime environment” where OpenAI models will run on Amazon’s Bedrock platform. The company also plans to expand its previously announced $38 billion partnership with AWS in computing services by $100 billion. OpenAI has committed to accessing at least 2GW of AWS Tranium compute as part of the deal, and also plans to build custom models to support Amazon’s consumer products.
“There are many developers and companies looking to run services that leverage OpenAI models on AWS,” Amazon CEO Andy Jassy said in a statement. “This unique collaboration with OpenAI to provide a stateful runtime environment will transform the possibilities for our customers to build AI apps and agents.”
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The Information previously reported that $35 billion of Amazon’s investment could depend on the company achieving AGI or going for an IPO by the end of the year. OpenAI’s announcement confirmed the funding split, but said only that an additional $35 billion would arrive “in the coming months if certain conditions are met.”
OpenAI didn’t provide many details about its partnership with Nvidia, but said it committed to using “3GW’s dedicated inference capacity and training on 2GW’s Vera Rubin systems” as part of the deal.
Nvidia’s participation in this round has been the subject of intense speculation, especially as reports of a $100 billion investment in September were replaced by reports of smaller investments in subsequent months.
In January, Huang dismissed the idea that NVIDIA would exit OpenAI, saying, “We’re going to invest a lot of money. I believe in OpenAI. The work they’re doing is incredible.”
