What is the best cloud GPU for Stable Diffusion?
Direct answer from GPU Tracker live pricing data.
Last updated May 26, 2026 · Data refreshed every 6 hours
Short answer
RTX 4090 is usually the best value cloud GPU for Stable Diffusion and SDXL because it has 24GB VRAM and strong image-generation throughput. RTX 3090 is the budget pick; L40S is better for larger batches and production pipelines.
Dataset snapshot: April 19, 2026. Source: GPU Tracker live pricing dataset.
Evidence from live listings
| Provider | GPU | Region | Type | Price/hr |
|---|---|---|---|---|
| Vast.ai | RTX3090 | ru- | Spot | $0.021/hr |
| Vast.ai | RTX3090 | US-East | Spot | $0.053/hr |
| Vast.ai | RTX3090 | China | Spot | $0.089/hr |
| Vast.ai | RTX3090 | us-northcarolina | Spot | $0.100/hr |
| Vast.ai | RTX3090 | US-East | Spot | $0.107/hr |
| RunPod | RTX3090 | CA | Spot | $0.110/hr |
| RunPod | RTX3090 | ES | Spot | $0.110/hr |
| RunPod | RTX3090 | FR | Spot | $0.110/hr |
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