Reflection AI inks $1 billion compute deal with Nebius for open-source AI model development

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Reflection AI has signed a $1 billion computing capacity agreement with European AI infrastructure provider Nebius, gaining access to Nvidia's latest chips. The deal follows the startup's recent SpaceX partnership and reflects surging demand for open AI models as concerns grow over closed-source alternatives. Nebius now faces the challenge of financing its expanding infrastructure needs.

Reflection AI Secures Major Computing Capacity Through Nebius Partnership

Reflection AI, a U.S.-based AI startup valued at $8 billion, has signed a compute deal worth over $1 billion with Nebius, the Amsterdam-based AI infrastructure company

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. The agreement grants Reflection AI access to computing capacity powered by Nvidia chips, essential for training and deploying the startup's open AI models

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. Founded in 2024 by two former Google DeepMind researchers, Reflection has already raised close to $2.6 billion from backers including Nvidia, Sequoia Capital, and Lightspeed Venture Partners

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The deal builds on Reflection's June agreement with SpaceX for computing capacity, which media reports indicate would see the AI startup pay approximately $150 million monthly through 2029

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. "The need for open models is clear, and this additional compute capacity will allow Reflection to continue to build and train frontier AI models at scale," said Ioannis Antonoglou, Reflection's chief technology officer and co-founder

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Growing Demand for AI Cloud Infrastructure Drives Partnerships

Source: Reuters

Source: Reuters

AI startups are racing to lock in the computing power needed to train and operate their models as demand growth from businesses adopting the technology outpaces new data-center supply

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. Nebius, formerly the international arm of Russian tech giant Yandex, has positioned itself among the fast-growing "neocloud" firms—data center companies securing high-profile deals to power AI infrastructure

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Nebius' customer base already includes Microsoft and Meta Platforms. The company signed a five-year infrastructure deal with Meta worth up to $27 billion and a multi-year agreement with Microsoft valued at up to $19.4 billion

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. Nebius' first-quarter revenue nearly octupled from a year earlier, with AI cloud revenue reaching $389.7 million—representing 841% year-over-year growth

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. The company's contracted capacity exceeded 3.5 gigawatts, prompting it to raise its year-end target to more than 4 gigawatts

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Open AI Models Gain Traction Amid Regulatory Concerns

Reflection develops open-source models that serve as alternatives to offerings from OpenAI and Anthropic

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. Open-source models, typically easier to customize and cheaper to run than closed-weight rivals, have drawn growing interest as rising AI bills push businesses to cut costs

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. Last month, the Trump administration pressured Anthropic and OpenAI to restrict their most powerful new models, raising concerns that access to AI models could be taken away overnight

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. These U.S. curbs on Anthropic's advanced models exposed the risks of relying on providers that can be cut off suddenly

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The release of more capable open models from China, combined with data retention concerns and government intervention, has led to increased mainstream interest in open source AI

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. This shift matters for businesses seeking control over their AI model development while avoiding dependency on providers subject to regulatory restrictions.

Nebius Faces Financing Challenges Despite Strong Demand

Source: TechCrunch

Source: TechCrunch

While customer demand remains robust, Nebius confronts significant capital expenditure requirements. The company raised its full-year capital expenditure forecast to between $20 billion and $25 billion, up from its previous estimate of $16 billion to $20 billion

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. Nebius spent approximately $2.5 billion on capital expenditures during the first quarter, compared with $544 million a year earlier, primarily driven by purchases of GPUs, related hardware, and data-center expansion

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To address financing needs, Nebius announced its first senior secured debt financing on July 14, raising about $775 million to accelerate global expansion of its AI cloud infrastructure

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. The facility, backed by deployed GPU infrastructure and contracted cash flows from an investment-grade customer, matures on October 31, 2030, and carries an interest rate of SOFR plus 2.50%

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. Together with cash flows from the customer agreement, the financing covers more than 100% of the capital expenditure required to deploy the underlying GPU infrastructure

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Nebius ended the first quarter with $9.3 billion in cash after raising $6.3 billion, including a $2 billion equity investment from Nvidia and $4.3 billion from convertible securities

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. Nvidia disclosed a 9.3% stake in Nebius, comprising roughly 22.26 million shares, including shares from a warrant obtained as part of its investment

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Stock Performance Reflects Mixed Investor Sentiment

Source: Benzinga

Source: Benzinga

Nebius shares rose about 4% following the Reflection AI announcement, closing at $194.09 and climbing as high as $203.25 during the session

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. The stock performance stood out as investors broadly rotated away from high-growth technology names, suggesting company-specific buying interest

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. Wall Street expects Nebius to report second-quarter results on August 6, 2026, with analysts forecasting a loss of 73 cents per share on revenue of $576.67 million, compared with revenue of $105.10 million a year earlier

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Investors are now watching whether Nebius can bring required capacity online without relying too heavily on additional debt or share issuance

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. Management indicated that additional financing will be needed, with plans to raise a mid-single-digit number of billions of dollars through asset-backed financing and corporate debt in the near term

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. The company is also seeking more upfront payments from customers to reduce its reliance on debt and equity

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