Cerebras Systems went public on May 14 with stock up 68% on first day; company claims chips 15 times faster than competitors, but Nvidia retains software and flexibility advantages.

Cerebras Systems (CBRS) went public on May 14; the stock popped by 68% on its first day of trading. The company says its chips are 15 times faster than those of leading competitors.

Cerebras' wafer-scale engines (WSEs) are 58 times larger than Nvidia's Blackwell 200 processors and contain 250 times more on-chip memory than Nvidia's B200 model and 2,625 times more memory bandwidth. This design packs more processing power onto a single chip but makes manufacturing riskier—defective wafer-sized chips must be discarded entirely.

Nvidia's CUDA software layer, introduced in 2006, remains a major competitive moat. As of last year, CUDA supported over 900 libraries and AI models. Developers and enterprises have built entire workflows around CUDA, making migration to competing platforms like Cerebras' own software layer difficult.