Overview
Strengths & Best For
IBM Cloud provides H100 and A100 GPU instances with enterprise-grade compliance certifications including HIPAA, FedRAMP, and SOC 2, making it a strong GPU cloud option for regulated industries. Deep integration into the IBM watsonx AI ecosystem (watsonx.ai, watsonx.data, watsonx.governance) for enterprise AI workloads. IBM Granite 4.0 H Small is available on RunPod's Public Endpoints. IBM Cloud Bare Metal GPU instances offer dedicated hardware for HPC and AI training. A strong choice for healthcare, government, and financial services organizations that need GPU compute within a fully compliant cloud environment.
- HIPAA, FedRAMP, and SOC 2 compliance
- watsonx AI platform integration (watsonx.ai, .data, .governance)
- IBM Granite 4.0 open models available via API
- Enterprise SLAs and 24/7 support
- Bare metal GPU instances for HPC
- Higher pricing vs specialist GPU clouds
- Smaller GPU catalog than AWS/GCP/Azure
- Less ML-focused tooling for research workloads
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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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Key differences
IBM Cloud
IBM Granite 4.0 on RunPod, watsonx AI platform — enterprise GPU with HIPAA and FedRAMP compliance
Nscale
IPO filing Sept 2026 — full-stack AI cloud with data centers in Norway, UK, Texas, and Iceland