BONUS: Nebius’s Arkady Volozh | On building in the agentic era | Spotlight On | AccelVC

By Accel

Categories: VC, Startup

Summary

Nebius is building a full-stack AI infrastructure company from data centers to software, not just renting GPUs—and the market is only now understanding that AI infrastructure requires completely new tools designed for developers and agents, not classical cloud platforms. Volozh's team inherited 20+ years of ML infrastructure expertise, positioning them uniquely to scale hundreds of thousands of GPUs with bespoke tooling.

Key Takeaways

  1. Full-stack ownership is critical: control data centers, hardware (racks), and software layers. Classical cloud tools reshaped for AI won't work—AI requires a completely new set of purpose-built tools from scratch.
  2. Demand validation is objective and extreme: whatever AI infrastructure gets built gets consumed immediately. 10x more capacity or 10x cheaper cost both represent massive industrial leaps forward.
  3. Team pedigree matters: Nebius founders brought 20-30 years of large-scale ML infrastructure experience before AI became mainstream, having managed 10x capacity growth from 25MW baseline over 18 years. This isn't a startup from zero.
  4. Nvidia partnership goes beyond capital: $2B investment signals deep engineering collaboration, joint system optimization work, and long-term strategic alignment—not just funding. The work happens in the background between engineering teams.
  5. New era requires new users: AI infrastructure isn't just for software engineers anymore. Developers need different tools, and agents represent the next wave of workload demands that weren't anticipated a decade ago.

Topics

Transcript Excerpt

Demand is so high coming from so many directions. Whatever is built is consumed and demand is totally objective. Everybody sees how much new value this thing generates. You can do either 10 times more things or 10 times cheaper and it's a huge huge industrial uh next step. Welcome to Spotlight On, a podcast about how companies are built from the people doing the building, one exhilarating decision at a time. >> Arrocotti, I am thrilled to be back together discussing Nebus with you. You and I actually set out to have this conversation one year after our first podcast, but with everything going on inside of Nebius, uh I think this was the first window of time we could find. Just in the last two months, you guys have announced large-scale customer commitments, rapid capacity expansion, a deep…