OpenAI closes USD110b funding round led by Amazon, Nvidia, Softbank
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The news: OpenAI has completed a record-breaking USD110 billion ($154.73 billion) funding round, valuing the AI lab at USD730 billion, as it pushes ahead to secure computing power and AI talent.
The numbers: In a statement released on Friday, OpenAI said the funding comprises a USD50 billion investment from Amazon, while Softbank and Nvidia are each investing USD30 billion.
The USD730 billion valuation does not include the money raised, meaning the firm is now valued at USD840 billion.
Additional financial investors are expected to join as the round progresses.
The context: OpenAI also signed a strategic partnership with Amazon and agreed to secure next generation inference compute with Nvidia.
The Amazon-OpenAI agreement saw Amazon Web Services (AWS) commit to spend an additional USD100 billion on AWS over the coming eight years. The expansion includes OpenAI’s use of Amazon’s line of in-house AI ‘Trainium’ chips and the companies will together develop customised models for Amazon’s engineering teams.
The funding will also tighten Amazon’s relationship with Nvidia, with OpenAI committing to use 3GW of dedicated inference capacity and 2 GW of training on Vera Rubin systems, strengthening OpenAI’s ability to train and deploy frontier models at global scale.
Alongside the announcements, OpenAI also published a joint statement with its longstanding investor and formerly its exclusive infrastructure provider, Microsoft, reaffirming its partnership and stating that Microsoft’s Azure remains the “exclusive cloud provider of stateless OpenAI APIs.”
The companies said that given the announcements of new partnerships and investments will continue to grow, “we want to ensure these announcements are understood within the existing construct of our partnership. Nothing about today’s announcements in any way changes the terms of the Microsoft and OpenAI relationship that have been previously shared in our joint blog in October 2025.”
The funding round was first reported by the Wall Street Journal last month.
The sources: OpenAI, OpenAI, Amazon announcement, OpenAI, Microsoft statement, Bloomberg
