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Vast.ai Alternatives for Image Generation
Diffusion work, typically ComfyUI or a similar graph, run interactively or batched over prompts.
What image generation actually needs
Why people look past Vast.ai for this
The checkpoints, LoRAs and custom nodes are tens of gigabytes and a working node set is fiddly to reproduce, which is why this job gets stuck on one provider. That is exactly the gap Vast.ai does not close: Vast.ai is usually the cheapest raw dollar-per-hour on the market, because hosts bid against each other and you absorb the variance in reliability. The honest framing is not us-versus-them on price: it is whether the environment you build survives the box it was built on.
To be fair, Vast.ai's real strength is real: Raw price. A host-bid marketplace with interruptible instances will beat brokered on-demand capacity on the low end, and that is by design.
Live rates for the GPUs image generation wants
| GPU | From (per GPU/hr) | Providers |
|---|---|---|
| RTX 4090 | $0.374 | 3 |
| L40S | $0.712 | 5 |
| RTX 5090 | $0.569 | 3 |
| A100 | $1.21 | 5 |
Live per-GPU rates from Aquanode's marketplace. Refreshes hourly.
How you run it here today
Run it today with the seeded comfyui-batch job recipe: a real, publicly-imaged container Aquanode can queue directly, not a template we're promising to build later.
Restoring an environment requires a snapshot that already exists. Stopping a deployment yourself captures it on the way out, so you can bring it back later on any provider. A provider-side termination is different: it is only recoverable if you had already switched automated snapshots on for that deployment, and it costs you the work since the last one. Automated snapshots are opt-in, nothing runs until you start it, and with none running there is nothing to restore.
More alternatives pages
Other workloads on Vast.ai
Image Generation alternatives to other clouds
Related reading: H100 pricing and specs, The best GPUs for AI, ranked, and Best GPU for LLM inference.
