Vast.ai H100 Pricing Options
All available H100 instance types on Vast.ai, sorted by lowest hourly rate.
| Region | Instance | Type | Price/hr | GPUs | vCPUs | RAM |
|---|---|---|---|---|---|---|
| Various | H100 SXM (marketplace) | Spot | $1.4900/hr Cheapest | 1× GPU | — | — |
| global | vast-h100 | Spot | $2.5211/hr | 1× GPU | — | — |
About Vast.ai H100 Cloud Pricing
Vast.ai is a GPU rental marketplace that connects GPU owners with renters, creating a decentralized compute market. Prices are set by supply and demand, often resulting in the lowest rates available anywhere.
Why Choose Vast.ai for H100
- Lowest GPU prices through marketplace competition
- Bid-based pricing for maximum cost optimization
- Massive GPU variety from consumer to enterprise
- Interruptible instances for batch workloads at deep discounts
Best suited for: Researchers and hobbyists comfortable with marketplace dynamics who want the absolute lowest cost per GPU-hour. Best for interruptible workloads like hyperparameter sweeps.
H100 Technical Overview
The H100 SXM5 variant with NVLink delivers up to 3.35 TB/s aggregate GPU-to-GPU bandwidth, making it the standard for large-scale distributed training. The PCIe variant trades interconnect bandwidth for broader server compatibility.
Pricing Analysis
Vast.ai's cheapest H100 option starts at $1.4900/hr, which is 59% below the market average of $3.6501/hr.
Note: Vast.ai pricing varies by demand — off-peak hours can be 50%+ cheaper. Reliability varies by host, so it's best suited for fault-tolerant workloads.
Market context: H100 is the most in-demand GPU in the cloud market as of 2026. Prices have stabilized after the 2024 shortage, but availability still varies significantly by provider and region.
Top Alternatives to Vast.ai for H100
Side-by-side cost comparison vs the cheapest Vast.ai H100 rate ($1.4900/hr).
| Provider | Price/hr | Type | vs Vast.ai |
|---|---|---|---|
| Corvex | $1.5900/hr | Reserved | +7% more vs Vast.ai |
| DataCrunch | $1.6500/hr | Spot | +11% more vs Vast.ai |
| CoreWeave | $1.7900/hr | Reserved | +20% more vs Vast.ai |
| Shadeform | $1.7900/hr | On-Demand | +20% more vs Vast.ai |
| RunPod | $1.8900/hr | Spot | +27% more vs Vast.ai |
Calculate Your Exact H100 Cost
Enter your hours, job type, and GPU count. Our calculator compares Vast.ai 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 Vast.ai H100 — calculated from real 90-day pricing data, not an LLM.