Cerebras Systems vs. Nebius Group N.V.: Which AI Hardware Stock Is a Better Buy in 2026?

Investors seeking exposure to the infrastructure powering the artificial intelligence revolution often find themselves choosing between Cerebras Systems (NASDAQ:CBRS) and Nebius Group N.V. (NASDAQ:NBIS) as both scale rapidly. Cerebras Systems focuses on revolutionary hardware designed to simplify large-scale computing, while Nebius Group N.V. provides an integrated cloud platform for model development. Both companies are carving out significant niches by offering alternatives to traditional hyperscale providers in an increasingly crowded market. The case for Cerebras Systems Cerebras Systems designs specialized AI computing systems centered around its proprietary wafer-scale chips, which are significantly larger than traditional processors.