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ComfyUI GPU Driver Error — cause and fix

The GPU encountered a driver or runtime error.

Direct answer

How do I fix "GPU Driver Error"?

The GPU encountered a driver or runtime error.

Key facts

  • iThe GPU encountered a driver or runtime error.

Next step

  1. 1Restart the pod to reset the GPU state
  2. 2Try a different GPU type
  3. 3Contact support if the issue persists

Cheapest cloud GPU that fits

If the model genuinely needs more VRAM, the same workflow runs unchanged on a bigger GPU. Cheapest-first:

GPUVRAMPriceAction
L424 GB$0.51/hrDeploy
A600048 GB$0.64/hrDeploy
A10080 GB$1.81/hrDeploy
H10080 GB$4.28/hrDeploy

Prices include a 30% service fee. Billed per minute while running.

Not sure this workflow will run before you rent a GPU?

Paste your ComfyUI workflow JSON into the free checker — it flags missing nodes, model requirements, and the VRAM/GPU you actually need. No signup.

Check my workflow freeSee GPU pricing

Other ComfyUI errors

Fix

GPU Memory Exhausted

Fix

Model Not Found

Fix

Missing Python Package

Fix

Network Connection Failed

Fix

Process Terminated

Fix

Permission Denied

Frequently Asked Questions

What causes "GPU Driver Error" in ComfyUI?

The GPU encountered a driver or runtime error.

How do I fix "GPU Driver Error"?

Restart the pod to reset the GPU state Try a different GPU type

Which cloud GPU fixes this without changing my workflow?

Move to a larger GPU: a A6000 (48GB) runs from $0.64/hr and holds models a 24GB card cannot. The same workflow runs unchanged.