Vast.ai A100-80GB Pricing Options
All available A100-80GB instance types on Vast.ai, sorted by lowest hourly rate.
| Region | Instance | Type | Price/hr | GPUs | vCPUs | RAM |
|---|---|---|---|---|---|---|
| global | vast-a100-80gb | Spot | $0.2564/hr Cheapest | 1× GPU | — | — |
| Various | A100 80GB (marketplace) | Spot | $0.8900/hr | 1× GPU | — | — |
About Vast.ai A100-80GB 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 A100-80GB
- 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.
A100-80GB Technical Overview
The A100 80GB variant doubles the memory of the 40GB model, enabling fine-tuning of larger models without gradient checkpointing. MIG partitioning is available for running multiple smaller workloads on a single GPU.
Pricing Analysis
Vast.ai's cheapest A100-80GB option starts at $0.2564/hr, which is 91% below the market average of $2.7818/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: A100-80GB pricing has become very competitive as providers shift focus to H100/H200. It offers excellent value for workloads that need more VRAM than the 40GB variant but don't require Hopper performance.
Top Alternatives to Vast.ai for A100-80GB
Side-by-side cost comparison vs the cheapest Vast.ai A100-80GB rate ($0.2564/hr).
| Provider | Price/hr | Type | vs Vast.ai |
|---|---|---|---|
| Vultr | $0.1250/hr | On-Demand | -51% cheaper vs Vast.ai |
| Azure | $0.8213/hr | Spot | +220% more vs Vast.ai |
| Shadeform | $0.9900/hr | On-Demand | +286% more vs Vast.ai |
| RunPod | $1.0000/hr | On-Demand | +290% more vs Vast.ai |
| Paperspace | $1.1500/hr | On-Demand | +349% more vs Vast.ai |
Calculate Your Exact A100-80GB Cost
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Frequently Asked Questions
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