Nebius acquires AI model optimization startup Eigen AI for $643M
siliconangle.com May 2, 2026

Nebius acquires AI model optimization startup Eigen AI for $643M

AI-summarised brief · reviewed before publication

Nebius Group NV acquires Eigen AI for $643 million, financing the deal with cash and stock, expected to close in a few weeks. Eigen AI's technology optimizes open-source AI models, improving speed and hardware efficiency. Nebius will integrate Eigen AI into its Token Factory service, enhancing post-training features and model optimization. The acquisition expands Nebius' capabilities in AI model training and inference workloads, with Eigen AI's employees joining Nebius.

💡 Why It Matters

  • · By acquiring Eigen AI, Nebius gains a competitive edge in optimizing AI models for better performance.
  • · Eigen AI's LoRA technology enables faster post-training, reducing infrastructure requirements.