8 min
Apr 14, 2025

ComfyUI Without Installing Anything

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If you've heard about ComfyUI and its incredible power for building generative AI workflows, but felt overwhelmed by the setup process—you're not alone.

The traditional method of running ComfyUI involves installing Python, downloading models, managing dependencies, and having a GPU that can handle it all.


But what if you could skip all that and start creating today?

🌐 Introducing Promptus: Cloud-Based ComfyUI, No Install Required

Promptus is the simplest way to run ComfyUI—without installing a single file. It runs directly in your browser, powered by cloud GPUs, and gives you access to the full ComfyUI node editor, along with a suite of ready-to-use models and tools.

📅 Get Started in Under 60 Seconds

Here's how easy it is:

  1. Visit https://promptus.ai
  2. Choose a ready-made workflow template (CosyFlow)
  3. Start editing nodes or enter a prompt using the AI wizard
  4. Click Run and watch your generation happen live in the cloud

✨ Why It’s the Best Way to Use ComfyUI for Beginners

  • No setup or installation required
  • All models preloaded: SDXL, Flux, Juggernaut XL, WAN 2.1, Google Flash, and more
  • Cloud GPU power: No hardware limits
  • Templates and wizards: Get started without knowing every node

🌟 Ideal for Artists, Creators, and AI Tinkerers

Whether you're generating cinematic images, stylized portraits, or exploring 3D workflows, Promptus makes ComfyUI approachable for everyone. No coding. No configs. Just creativity.

✉️ Try It Free Today

You can get started with free GPU credits. No sign-up needed to explore.


Ready to build your first AI workflow in minutes? 👉 https://promptus.ai

ComfyUI – Frequently Asked Questions

What GPU do I need for ComfyUI?

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Traditionally, ComfyUI requires a dedicated NVIDIA GPU with at least 6–8GB of VRAM to run models like Stable Diffusion smoothly. High-end GPUs (RTX 3090/4090, or A100s in the cloud) are recommended for large models such as SDXL or for video workflows. With Promptus, you don’t need your own GPU—it runs entirely on cloud GPUs, right in your browser.

Can my computer run ComfyUI?

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If installing locally, ComfyUI needs Windows, macOS (Apple Silicon), or Linux, plus a compatible GPU and Python setup. If your machine doesn’t meet these specs, Promptus is the easiest way—it runs ComfyUI instantly in the cloud, with preloaded models and no setup required.

Can ComfyUI be used for commercial projects?

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Yes. ComfyUI itself is open-source and can be used commercially. However, individual models may have their own license terms. Promptus includes commercial-friendly models out of the box, with outputs licensed for professional projects.

Is ComfyUI private?

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When run locally, ComfyUI is fully private. With Promptus, workflows are processed on secure cloud GPUs and tied to your account, with the option to export results anytime. For maximum privacy, Promptus also offers a desktop app that runs completely offline once models are installed.

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