Vast.ai Free GPU Credits: Cheap RTX 4090/A100 Pricing & Setup

GPU marketplace with lowest prices, P2P model

✅ Free Tier 🇨🇳 China Accessible

What is Vast.ai

Vast.ai is a GPU marketplace using a P2P model. Individual miners and small data centers list idle GPUs for rent. Competition drives prices to the lowest in the market.

RTX 3090 from $0.10/hr, A100 from $0.50/hr. Quality varies — some machines have slow networks or instability. Best for price-sensitive workloads that tolerate occasional interruptions.

Free Tier & Pricing

Free credits: $1 for new users

Price ranges (fluctuate frequently):
- RTX 3090: $0.10-0.25/hr
- RTX 4090: $0.25-0.45/hr
- A100 80GB: $0.50-1.00/hr
- H100 80GB: $1.50-3.00/hr

Prices fluctuate based on supply/demand. Use filters to find the best value machines.

Editor's note

Editor's note: If you only need API inference, you may not need a GPU rental. Compare free quota, rate limits, and latency first.

FAQ

Q: Vast.ai or RunPod?
A: Lowest price → Vast.ai. Stability and UX → RunPod.

Q: Is data safe?
A: P2P means data is on others' machines. For sensitive data, use RunPod Secure or major clouds.

Q: What payment methods?
A: Credit card, PayPal, cryptocurrency.

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