Nebius to acquire Eigen AI for $643M to boost AI inference and platform capabilities.

Nebius Group announced a $643 million cash and stock deal to acquire Eigen AI, aiming to enhance its AI inference and optimization technologies within the Nebius Token Factory platform. This acquisition will improve performance, throughput, and cost efficiency for enterprise AI deployments by integrating Eigen AI's full-stack optimization expertise. Eigen AI's founding team will join Nebius and help expand its U.S. presence. The deal is expected to close soon, pending regulatory approval, positioning Nebius for stronger growth in AI infrastructure.