For the past two years, investors have largely measured AI infrastructure companies by one metric: how quickly they can add more computing capacity.

Nebius Group N.V.'s (NASDAQ:NBIS) second quarter earnings suggest another metric may soon become just as important — pricing power. • Nebius Group stock is showing weakness.

Why is NBIS stock retreating?

The AI cloud provider disclosed that customers paid significantly more for access to its latest NVIDIA Corp (NASDAQ:NVDA) Blackwell-powered infrastructure during the company's first-ever capacity auction, offering a rare glimpse into what the market is willing to pay when demand outstrips supply.

While one auction does not establish a long-term pricing trend, the results suggest premium AI computing capacity remains scarce enough for customers to accept substantially higher prices.