GuideMarch 15, 2026•10 min read
Cheapest GPU Cloud for Stable Diffusion XL in 2026
Running Stable Diffusion XL, Flux.1, or other image generation models on cloud GPUs is often cheaper than buying hardware. Here's the complete guide to the cheapest options in 2026.
Speed and Cost per 1000 Images
| GPU | Time/image | Cloud Price | Cost/1000 images |
|---|---|---|---|
| RTX 3090 24GB | 4.2 sec | $0.20/hr (Vast.ai) | $0.23 |
| RTX 4090 24GB | 2.1 sec | $0.40/hr (Vast.ai) | $0.23 |
| A10G 24GB | 3.8 sec | $0.60/hr (Lambda) | $0.63 |
| L4 24GB | 3.2 sec | $0.71/hr (GCP) | $0.63 |
Cheapest Providers for SDXL
- Vast.ai: RTX 3090 from $0.20/hr, RTX 4090 from $0.35/hr. Absolute cheapest. Best for batch jobs and experimentation.
- RunPod Community Cloud: RTX 4090 from $0.45/hr. Better reliability than Vast.ai. Best value for production.
- Paperspace: A10G 24GB at $0.76/hr. Best user experience, easy Jupyter notebooks.
- Lambda Labs: A10G 24GB at $0.60/hr. Best A10G price with solid uptime.
Cloud vs Midjourney Cost
For a creative professional generating 500 images/day:
- Vast.ai RTX 4090: ~$9/month
- RunPod Community RTX 4090: ~$11/month
- Midjourney Standard plan: $30/month
Running your own SDXL on Vast.ai costs 3× less than Midjourney for the same image count.
Find the Cheapest GPU for SDXL
Compare RTX 4090, A10G, and L4 prices across 50+ providers.
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