Vast.ai L40S Pricing Options
All available L40S instance types on Vast.ai, sorted by lowest hourly rate.
| Region | Instance | Type | Price/hr | GPUs | vCPUs | RAM |
|---|---|---|---|---|---|---|
| global | vast-l40s | Spot | $0.4037/hr Cheapest | 1× GPU | — | — |
| Various | L40S (marketplace) | Spot | $0.4200/hr | 1× GPU | — | — |
About Vast.ai L40S 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 L40S
- 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.
L40S Technical Overview
The L40S is an inference-optimized GPU built on the Ada Lovelace architecture. It provides strong FP8 and INT8 performance for model serving, plus hardware ray-tracing for 3D/visualization workloads.
Pricing Analysis
Vast.ai's cheapest L40S option starts at $0.4037/hr, which is 80% below the market average of $1.9796/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: L40S pricing is typically 40–60% below H100, making it an excellent choice for inference-heavy deployments where training performance is not the primary requirement.
Top Alternatives to Vast.ai for L40S
Side-by-side cost comparison vs the cheapest Vast.ai L40S rate ($0.4037/hr).
| Provider | Price/hr | Type | vs Vast.ai |
|---|---|---|---|
| TensorDock | $0.5900/hr | On-Demand | +46% more vs Vast.ai |
| Lightning AI | $0.6500/hr | On-Demand | +61% more vs Vast.ai |
| RunPod | $0.6900/hr | On-Demand | +71% more vs Vast.ai |
| Nebius | $0.8700/hr | On-Demand | +116% more vs Vast.ai |
| Crusoe Cloud | $0.9900/hr | On-Demand | +145% more vs Vast.ai |
Calculate Your Exact L40S 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 L40S — calculated from real 90-day pricing data, not an LLM.