Nebius, an Amsterdam AI cloud firm based by Arkady Volozh in 2024, has agreed to purchase Eigen AI, a startup centered on inference and mannequin optimisation, for $643 million in money and Nebius Class A shares. It’s anticipated to shut within the subsequent few weeks, pending antitrust approval.
Up to now yr, the unicorn signed a $17.4 billion GPU infrastructure deal with Microsoft and a $27 billion agreement with Meta. The corporate additionally secured a $2 billion investment from Nvidia and raised $4.3 billion in convertible notes to broaden its information centres.
Eigen AI focuses on a special problem: ensuring that energy is used as effectively as potential. The corporate was based in 2025 by Ryan Hanrui Wang and Wei-Chen Wang, each from MIT’s HAN Lab, and Di Jin, who labored on Meta’s Llama 3 and Llama 4 after coaching.
The combination will centre on Nebius Token Manufacturing unit, which is the corporate’s managed inference platform. It gives enterprise-level autoscaling endpoints and fine-tuning pipelines for main open-source fashions.
Nebius and Eigen AI have already labored collectively to ship optimised implementations that rank among the many quickest on Synthetic Evaluation throughout a number of fashions, giving a preview of what the mixed system can do at scale.
“We’re working in a capacity-scarcity world the place AI builders want optimised inference and infrastructure scale. The combination of Eigen AI’s optimisation capabilities and founding staff will set up Nebius Token Manufacturing unit on the frontier of inference, providing prospects market-leading mannequin efficiency and unit economics with large compute capability to again it at scale,” says Roman Chernin, co-founder and chief enterprise officer of Nebius.
That is the second firm Nebius has purchased in latest months. In February, Nebius acquired Tavily for $275 million, which added agentic search options to its platform. Whereas CoreWeave, its important competitor, has centered on rising greater, Nebius is betting that enterprise prospects need each scale and superior software program.