Vast.ai B200 Pricing Options
All available B200 instance types on Vast.ai, sorted by lowest hourly rate.
| Region | Instance | Type | Price/hr | GPUs | vCPUs | RAM |
|---|---|---|---|---|---|---|
| Various | B200 192GB (marketplace) | Spot | $6.4000/hr Cheapest | 1× GPU | — | — |
| global | vast-b200 | Spot | $6.4046/hr | 1× GPU | — | — |
About Vast.ai B200 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 B200
- 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.
B200 Technical Overview
The B200 delivers roughly 2.5× the AI training performance of the H100 with 192 GB of HBM3e memory. NVLink 5.0 provides 1.8 TB/s GPU-to-GPU bandwidth. FP4 precision support enables more efficient inference.
Pricing Analysis
Vast.ai's cheapest B200 option starts at $6.4000/hr, which is 7% below the market average of $6.8726/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: B200 is the newest generation available in cloud as of 2026, with limited but growing availability. Pricing is at a premium — expect 2–3× H100 rates as supply ramps up.
Top Alternatives to Vast.ai for B200
Side-by-side cost comparison vs the cheapest Vast.ai B200 rate ($6.4000/hr).
| Provider | Price/hr | Type | vs Vast.ai |
|---|---|---|---|
| Vultr | $3.8700/hr | On-Demand | -40% cheaper vs Vast.ai |
| RunPod | $5.9800/hr | On-Demand | -7% cheaper vs Vast.ai |
| Corvex | $6.9900/hr | On-Demand | +9% more vs Vast.ai |
| Lambda Labs | $6.9900/hr | On-Demand | +9% more vs Vast.ai |
| CoreWeave | $8.6000/hr | On-Demand | +34% more vs Vast.ai |
Calculate Your Exact B200 Cost
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Frequently Asked Questions
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Is a reserved contract worth it here?
Get the break-even math for Vast.ai B200 — calculated from real 90-day pricing data, not an LLM.