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RunPod vs Vast.ai — Which Is Cheaper in 2026?

RunPod and Vast.ai are the two dominant consumer GPU rental marketplaces. Vast.ai is usually 10–25% cheaper on spot prices. RunPod is more reliable for long-running jobs. This guide covers the trade-offs in detail.

Head-to-head comparison

Verdict

For quick experiments: Vast.ai (cheaper). For jobs >6 hours that need reliability: RunPod.

RunPodVast.aiWinner
A100 80GB price$2.09–2.49/hr$1.89–2.20/hrVast.ai
H100 80GB price$2.89–3.49/hr$2.49–3.20/hrVast.ai
RTX 4090 price$0.59–0.69/hr$0.50–0.64/hrVast.ai
Uptime reliabilityHigh (managed infra)Variable (peer-to-peer)RunPod
GPU availabilityGoodExcellent (larger pool)Vast.ai
Storage pricing$0.05/GB-mo (network)$0.10/GB-moRunPod
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Verified GPU rental prices across all major providers. Start in minutes, pay by the hour.

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Frequently Asked Questions

Which is more reliable: RunPod or Vast.ai?

RunPod runs managed infrastructure with guaranteed uptime on their secure cloud tier. Vast.ai is peer-to-peer — hosts can take their GPUs offline. For research and experiments: Vast.ai's lower prices outweigh the risk. For production inference: RunPod or a cloud-managed provider.

Data verified 2026-08-20. GPU rental prices change frequently — verify before purchasing. See methodology.