RunPod
On-demand GPU pods for ComfyUI, vLLM, training.
Paid 8–80 GB VRAM
- Min VRAM
- 8 GB
- GPU class
- Datacenter GPU
- Quant
- FP16
Watermark-FreeHobbyist-FriendlyAPI
Vast.ai
GPU marketplace — rent consumer cards at half the hyperscaler price.
Paid☁ Cloud · no GPUCloud API
Watermark-FreeHobbyist-FriendlyAPI
Visit Vast.aiUpdated 2026-05-10 · Direct link
Screenshot placeholder · Vast.ai
What is Vast.ai?
Vast.ai brokers a marketplace of GPU hosts — community providers, datacenters, and individuals renting out spare consumer cards. Result: 4090s for under $0.40/hr, A100s for under $1/hr, often half what AWS/GCP charge. Trade-off: variable host quality, no managed serverless layer.
Pros & cons
Pros
- Cheapest GPU rentals available — often half hyperscaler prices
- Consumer card access (4090, 3090) at scale
- Bid-based interruptible pricing for batch workloads
Cons
- Variable host quality / reliability — read reviews carefully
- No serverless layer — you manage the container lifetime
What's actually free?
No free tier; pay-per-hour, billed per minute.
Watermark-Free
Alternatives
Modal
Serverless Python for GPU workloads.
Freemium 16–80 GB VRAM
- Min VRAM
- 16 GB
- GPU class
- Datacenter GPU
- Quant
- —
Actually FreeWatermark-FreeHobbyist-FriendlyAPI
Replicate
Run any open-source model with one API call.
Paid☁ Cloud · no GPU
Watermark-FreeHobbyist-FriendlyAPI