CoreWeave B100 Pricing Options
All available B100 instance types on CoreWeave, sorted by lowest hourly rate.
| Region | Instance | Type | Price/hr | GPUs | vCPUs | RAM |
|---|---|---|---|---|---|---|
| US | B100 SXM | On-Demand | $4.1900/hr Cheapest | 1× GPU | 20 vCPU | 320 GB |
About CoreWeave B100 Cloud Pricing
CoreWeave is a GPU-specialized cloud provider built from the ground up for compute-intensive workloads. Unlike hyperscalers, CoreWeave's entire infrastructure is optimized for GPU density with bare-metal performance and Kubernetes-native orchestration.
Why Choose CoreWeave for B100
- Purpose-built GPU infrastructure (not repurposed general cloud)
- Kubernetes-native with built-in autoscaling
- NVLink and NVSwitch interconnect for multi-GPU training
- Typically 30–50% cheaper than hyperscalers for equivalent GPU compute
Best suited for: AI startups and research labs that need raw GPU performance without paying the hyperscaler tax. Especially strong for large-scale training jobs and inference at scale.
B100 Technical Overview
CoreWeave deploys H100 SXM5 in purpose-built GPU pods with NVLink/NVSwitch interconnects enabling 3.35 TB/s GPU-to-GPU bandwidth -- essential for distributed training across multiple H100s. Unlike Lambda, CoreWeave offers both on-demand and reserved 1-year contracts (typically 25-35% savings for reserved). CoreWeave's Kubernetes-native orchestration (EKS-compatible) allows auto-scaling training clusters with GPU instance pre-warming. Their H100 clusters run on custom liquid-cooled infrastructure, which reduces thermal throttling during extended training jobs. For foundation model pre-training or RLHF at scale, CoreWeave's interconnect topology is a meaningful advantage over providers using PCIe-only H100 configurations.
Pricing Analysis
CoreWeave's cheapest B100 option starts at $4.1900/hr, which is 2% above the market average of $4.0900/hr. CoreWeave currently offers on-demand pricing only for B100. This means no commitment required, but you won't access the deeper discounts available from reserved or spot pricing.
Note: CoreWeave has emerged as a top choice for AI companies that need H100/B200 clusters without the overhead of a full-stack cloud platform.
Market context: B100 availability is very limited in early 2026. As supply increases, it should offer a more affordable entry point to Blackwell-generation hardware.
Top Alternatives to CoreWeave for B100
Side-by-side cost comparison vs the cheapest CoreWeave B100 rate ($4.1900/hr).
| Provider | Price/hr | Type | vs CoreWeave |
|---|---|---|---|
| Lambda Labs | $3.9900/hr | On-Demand | -5% cheaper vs CoreWeave |
Calculate Your Exact B100 Cost
Enter your hours, job type, and GPU count. Our calculator compares CoreWeave against all 32 providers instantly.
Frequently Asked Questions
Not sure which GPU configuration fits your budget?
Get a personalized recommendation based on your monthly budget, workload, and real pricing data from all 58 providers.
Is a reserved contract worth it here?
Get the break-even math for CoreWeave B100 — calculated from real 90-day pricing data, not an LLM.