ComfyUI testing
Validate custom nodes, workflows and model combinations on a real 4090 before scaling up.
ComfyUI GPU server
Rent fixed RTX 4090 capacity for ComfyUI, Stable Diffusion, Flux and batch image generation. Validate your workflow with a paid 2-hour test before committing to longer rental.
Workflow
Validate custom nodes, workflows and model combinations on a real 4090 before scaling up.
Use predictable GPU windows for queued image/video jobs, prompt testing or dataset generation.
On 8x4090 machines, run separate containerized environments for different workflows or users.
NorthGPU also supports LLM experiments, Hugging Face workloads, PyTorch fine-tuning and vLLM-style inference on RTX 4090 servers.