Overview
Strengths & Best For
Nscale filed for IPO in September 2026 and is building full-stack AI infrastructure powering the world's most powerful AI systems. Data centers: Glomfjord Norway, Narvik Norway, Loughton UK, Texas US, plus partner-run sites in Sines Portugal, Keflavik Iceland, Stavanger Norway, Oslo Norway, Blönduós Iceland, Hayes UK, North Carolina US, and West Virginia US. Products: Nscale Cloud (managed platform with inference endpoints, fine-tuning, Kubernetes, Slurm, IAM), Nscale Infrastructure (dedicated GPU/CPU, fast networking, storage), Nscale Data Centers (modular, liquid-cooled, low PUE), and Nscale Energy (behind-the-meter power, microgrid islands). Partnerships: Figure (physical AI), Aker ASA, G Squared. UK AI Minister endorsement. Fidji Simo joined board September 2026.
- IPO filing Sept 2026 — rapidly scaling AI infrastructure company
- Data centers in Norway, UK, Texas, Iceland, Portugal — renewable energy focus
- Full-stack: inference, fine-tuning, Kubernetes, Slurm, IAM in one platform
- Figure partnership for physical AI infrastructure
- Modular, liquid-cooled data centers with low PUE
- UK AI Minister endorsement — sovereign AI credentials
- No public self-serve pricing — contact sales required
- Newer provider — ecosystem still maturing
- IPO process may create uncertainty
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Vast.ai is a GPU marketplace where prices are set by supply and demand across 40+ data centers. 68+ GPU types spanning Blackwell, Hopper, Ada Lovelace, Ampere, Turing, Volta, Pascal — from B300 and H200 down to RTX 3090. Three pricing tiers: On-Demand (higher availability), Interruptible (lower cost, interruptible), Reserved (committed pricing). Per-second billing, no lock-in. SOC 2 certified. Check the live table for current rates.
- B300, H200, H100 — competitive frontier pricing on marketplace rates
- RTX 5090, RTX 4090 — consumer GPU inference at marketplace rates
- 68+ GPU types from RTX 3060 to B300 — wide selection
- Per-second billing, no minimum hours, no lock-in
- Interruptible tier: lower cost than on-demand
- SOC 2 certified
- Marketplace model — hardware quality and reliability varies by host
- No enterprise SLAs or uptime guarantees
- Interruptible instances can be reclaimed at any time
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Live GPU Pricing
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Key differences
Nscale
IPO filing Sept 2026 — full-stack AI cloud with data centers in Norway, UK, Texas, and Iceland
Vast.ai
B300, H200, RTX 5090 — 68+ GPU types, per-second billing