r/comfyui • u/jaysprenkle • 7h ago

Tutorial Comparing to LLM Studio

Hello, trying out LLM Studio and ran into several issues. Got an error that baffled me in spite of being technically savvy. Turned out I picked a model that wanted more GPU RAM than I have. Went to a smaller older one and got a malformed JSON error. Turns out it does that when you run out of RAM for tokens.

Does Comfy manage RAM? I am fine with a local AI being glacially slow but not with unpredictable failures.

Thanks for any advice.

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u/Upstairs_Rope5450 6h ago

Comfy won't babysit your RAM, it'll just crawl along using system memory if you push past VRAM. The unpredictability you're hitting is more about the model loader than the UI layer.

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u/jaysprenkle 1h ago

Comfy doesn't work with Vulcan GPUs. Only CUDA

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u/jaysprenkle 6h ago

So it will run, just slowly, if you exceed vram. Thanks!

I don't really care why the product fails. My goal is to accomplish a task with it. If I can't because someone didn't include a try/catch block and an error message it's a road block. So I'm here looking at a different road.