OpenAI CFO Sarah Friar said Wednesday that even as the company hits revenue milestones, it faces ongoing pressures due to the demand for computing power required for artificial intelligence.

“It is voracious right now for GPUs and for compute,” she told CNBC’s “Squawk Box” on Wednesday, adding that insufficient compute, or computing power, to meet the demand of AI is the company’s biggest challenge. “That’s why we launched Stargate. That’s why we’re doing the bigger builds.”

Friar said the growing demand for computing power calls for more partners to diversify risk and increase supply, noting builds with Oracle

and Coreweave

, but said Microsoft