Vast.ai GPU Pricing, Specs & Review
Last updated: 2026-03-17
Overview
Vast.ai is a GPU marketplace that connects renters with independent GPU hosts worldwide. By aggregating idle GPU capacity from data centers and individual hosts, Vast.ai offers some of the lowest GPU rental prices available. H100 PCIe GPUs start from $1.53/hr and A100 instances from as low as $0.29/hr. Prices are dynamic and set by hosts, creating a competitive marketplace. Vast.ai supports a wide range of GPU models and is popular for cost-sensitive AI training and inference workloads.
GPU Pricing
| GPU | VRAM | Low $/hr | Range $/hr | Demand |
|---|---|---|---|---|
| H100 SXM | 80 GB | $1.53 | $0.87 - $2.27 | Low |
| H100 PCIe | 80 GB | $1.53 | $0.87 - $2.27 | Low |
| A100 SXM 80GB | 80 GB | $0.55 | $0.29 - $2.00 | Low |
| A100 PCIe 80GB | 80 GB | $0.73 | $0.29 - $40.00 | Low |
| RTX 4090 | 24 GB | $0.18 | $0.10 - $0.80 | Medium |
| RTX 3090 | 24 GB | $0.10 | $0.06 - $0.50 | Medium |
| RTX A6000 | 48 GB | $0.25 | $0.15 - $1.00 | Low |
Key Features
- GPU marketplace with dynamic, host-set pricing
- Wide range of GPUs: H100, A100, RTX 4090, RTX 3090, A6000+
- Some of the lowest GPU prices available
- Bid system for even lower prices
- Per-second billing with no minimum commitment
- Docker-based deployment with custom images
- Global host network across multiple regions
- API access for programmatic instance management
Pros & Cons
Pros
- Lowest GPU prices in the market (H100 from $1.53/hr)
- Bid system allows even further price optimization
- Huge variety of GPU types and configurations
- No minimum commitment or contracts
- Docker-based deployment for flexibility
Cons
- Variable reliability from independent hosts
- No SLA guarantees on marketplace instances
- Prices fluctuate based on supply and demand
- Less enterprise support and compliance
- Host quality and network speeds vary
FAQ
What GPU models does Vast.ai offer?
Vast.ai marketplace offers NVIDIA H100 SXM/PCIe, A100 80GB/40GB, RTX 4090, RTX 3090, A6000, L40S, and many other GPU models from independent hosts worldwide.
What is the cheapest GPU option on Vast.ai?
Vast.ai marketplace prices start as low as $0.06/hr for RTX 3090 and $0.29/hr for A100 PCIe instances. H100 PCIe GPUs are available from $1.53/hr. Prices are dynamic.
How does Vast.ai pricing work?
Vast.ai is a marketplace where independent GPU hosts set their own prices. Renters can accept listed prices or bid lower. Prices fluctuate based on supply, demand, and host location.