An open source, node-based program for image generation from a series of text prompts.

ComfyUI Hosting - GPU-Ready Servers for AI Workflows

ComfyUI pre-installed on servers in the Netherlands, Finland, Germany, Iceland, Turkey and the USA

Rent a virtual (VPS) or a dedicated server with a pre-installed ComfyUI - a free and open-source program for image generation from a series of text prompts. Simply choose the desired plan, configure a server and start working in just 15 minutes.

Already installed - we have taken care of all the technical aspects
Fine-tuned server - high performance configurations optimized for ComfyUI
Supported 24/7 - we are always ready to help

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SERVERS In action right now 5 000+

How it works

Choose server and license

Begin by choosing the most suitable server to meet your specific requirements. During the ordering process, choose the ComfyUI license, network settings, and set any other necessary parameters.
Place an order

After successfully placing your order and completing the payment, our team will reach out to you with precise details about when your server will be ready for use. Typically, the server setup process takes no longer than 15 minutes, though the duration may vary depending on the type of server you choose.
Start working

Once your server is prepared, we will promptly send you all the necessary access details via email. You can rest assured knowing that ComfyUI will be pre-installed and fully operational, enabling you to commence your work without any unnecessary delays.

Get the pre-installed ComfyUI on virtual (VPS) or dedicated servers

ComfyUI is provided only for leased HOSTKEY servers. To get the ComfyUI, select it in the "Software" tab while ordering the server.

ComfyUI on virtual (VPS) servers

Rent a reliable VPS in the Netherlands, Finland, Germany, Iceland, Turkey and the USA.

Server delivery ETA: ≈15 minutes.

Choose a VPS server

ComfyUI on dedicated servers

Rent a dedicated server with a full out-of-band management in the Netherlands, Finland, Germany, Turkey and the USA.

Server delivery ETA: ≈15 minutes.

Choose a dedicated server

ComfyUI — officially free software

ComfyUI is an open source program that allows users to generate images from a series of text prompts for free. It is available under the GNU General Public License v3.0.

We guarantee that our servers are running safe and original software.

FAQ

How to install ComfyUI on a virtual or dedicated server?

To install ComfyUI, you need to select it while ordering a server on the HOSTKEY website. Our auto-deployment system will install it on your server.

I am having trouble installing and/or using ComfyUI

If you have any difficulties or questions when installing and/or using this software, carefully learn the documentation on the official website of the developer, read about typical problems and how to solve them or contact ComfyUI support.

What is a ComfyUI server and what can I do with it?

A ComfyUI server is designed to run the ComfyUI interface smoothly for Stable Diffusion. You can use it to make AI images, automate tasks and try out custom models easily.

Why rent a server with ComfyUI pre-installed?

It saves a lot of time setting up and keeps you from facing compatibility problems. Since everything is already set up with HOSTKEY, you can start creating right away without facing any technical problems.

Can I customize or extend ComfyUI functionality?

Yes. Since everything is open, you can use Python and existing APIs to add new models, make custom nodes or create new features.

Is the ComfyUI server hosting secure?

Absolutely. You can use full root privileges, create private networks and your data is not shared outside. HOSTKEY provides the best privacy and control for your assets.

ComfyUI key features

ComfyUI, when deployed on-premise, delivers a range of key features designed to provide a flexible, customizable, and efficient user interface for image generation workflows.

Customizable Workflow Automation

ComfyUI enables users to create automated image generation workflows with a flexible node-based system, allowing seamless integration of various tasks like pre-processing and model loading.

Node-based Interface

The node-based interface makes it easy to build and manipulate workflows by connecting functional nodes for tasks such as image generation and style transfer, providing clear, visual management.

Integration with AI Models

ComfyUI integrates with various AI models like Stable Diffusion, enabling on-premise image generation with full control over model selection and settings.

Real-time Preview

With real-time previews, users can see immediate results as they adjust settings, enhancing the creative process and enabling quicker iterations.

Advanced Configuration Options

ComfyUI offers a wide range of configurable parameters, enabling users to fine-tune model settings, image quality, and generation techniques for optimized outputs tailored to specific needs.

Support for Custom Nodes

The platform supports creating custom nodes and integrating third-party ones, offering users the flexibility to develop tailored solutions for diverse applications.

Batch Processing and Automation

ComfyUI supports batch processing, making it easy to generate multiple images or automate repetitive tasks like transformations or style applications.

Multi-GPU Support

The platform allows for efficient multi-GPU usage, enhancing performance when running complex models or processing large datasets, ideal for power users.

On-premise Privacy and Security

On-premise deployment ensures data privacy and security, as all processes and data remain within the organization’s infrastructure, avoiding cloud-based risks.

Get pre-installed ComfyUI

on servers located in data centers across Europe, the USA, and Turkey.

Why choose a ComfyUI server at HOSTKEY?

TIER III Data Centers

Top reliability and security provide stable operation of your servers and 99.982% annual uptime.
DDoS protection

The service is organized using software and hardware solutions to protect against TCP-SYN Flood attacks (SYN, ACK, RST, FIN, PUSH).
Round-the-clock technical support

The application form allows you to get technical support at any time of the day or night. First response within 15 minutes.

What customers say

After launching another successful IP — HUNT: Showdown, a competitive first-person PvP bounty hunting game with heavy PvE elements, Crytek aimed to bring this amazing game for its end-users. We needed a hosting provider that can offer us high-performance servers with great network speed, latency, and 24/7 support.

Stefan Neykov Crytek

doXray has been using HOSTKEY for the development and the operation of our software solutions. Our applications require the use of GPU processing power. We have been using HOSTKEY for several years and we are very satisfied with the way they operate. New requirements are setup fast and support follows up after the installation process to check if everything is as requested. Support during operations is reliable and fast.

Wimdo Blaauboer doXray

We would like to thank HOSTKEY for providing us with high-quality hosting services for over 4 years. Ip-label has been able to conduct many of its more than 100 million daily measurements through HOSTKEY’s servers, making our meteorological coverage even more complete.

D. Jayes IP-Label

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Who Needs a ComfyUI Server?

If you use AI-generated images, a dedicated ComfyUI server can make your work much faster. No matter if you work alone or with a group, the benefits are easy to see.

Ideal for:

People using Stable Diffusion to create images.
People working on AI art in creative teams
Developers combining ComfyUI with their own machine learning systems
Researchers in AI are creating new generative models as prototypes.

When you use a ComfyUI server, you have all the flexibility, strength and control to manage demanding workloads.

VPS vs Dedicated Server for ComfyUI

Picking the right infrastructure is very important. Here is a quick look at the differences to help you decide.

A Virtual Private Server (VPS) is used in these situations.

Affordable for those who create on their own.
Effective for running tests and light applications
Great for those with a small budget

A ComfyUI Server specifically for the community:

The highest performance of the GPU for generating many images
Team members can access the platform at the same time.
Made for AI applications used in companies
You cannot share your performance with other users.

Look for a provider by searching for keywords such as ComfyUI vps or dedicated ComfyUI server.

Why HOSTKEY is the Best Choice for ComfyUI Hosting

HOSTKEY provides solutions that are both fast and flexible for AI image generation.

You get:

Stable Diffusion and ComfyUI are already installed in the environments.
It takes less than 10 minutes to get your account running.
Software available for free or at reduced prices from our marketplace
Both RTX 4090 and 5090 GPUs are fully supported by the system.
Configurations that can handle personal or business computing needs
With hourly and monthly billing, you can get discounts of up to 40%.

Performance You Can Count On

We have built our infrastructure to handle demanding AI projects. A gpu server for ai image generation needs to be dependable and consistent, not just powerful.

Top-tier hardware:

The NVIDIA RTX 4090, 5090 and H100 are available as GPU options.
Running multiple GPUs at the same time for parallel processing
RAM sizes of up to 256 GB and NVMe storage for speed
Locations in the Netherlands, Finland and the USA have Tier III data centers.

The ComfyUI server is there to handle demanding workloads without causing any downtime.

ComfyUI Hosting with Full Privacy and Control

Open-source developers and people who value privacy need to be sure.

With HOSTKEY:

You have total control over your infrastructure when you set it up on-premise.
There is no external data logging.
Your prompts and outputs are always kept within your environment.
Options to set up rules for firewalls and use private networks

Need Help Choosing a ComfyUI Server Plan?

Here are our top picks:

Dedicated Servers (Monthly / Hourly Pricing)

Entry-Level Plan
- CPU: AMD Ryzen 9 5950X
- GPU: RTX 4090
- RAM: 64 GB
- Storage: 2 TB NVMe
- Port/Traffic: 1Gbps
- €249/month or €0.45/hour
Balanced Plan
- CPU: Intel Xeon Gold 6338
- GPU: RTX 5090
- RAM: 128 GB
- Storage: 4 TB NVMe
- Port/Traffic: 1Gbps
- €389/month or €0.70/hour
Enterprise Plan
- CPU: Dual AMD EPYC 7543
- GPU: 2x RTX 5090
- RAM: 256 GB
- Storage: 8 TB NVMe
- Port/Traffic: 1Gbps
- €699/month or €1.30/hour

VPS Plans (Monthly / Hourly Pricing)

Starter VPS
- CPU: 8 vCores
- GPU: RTX 4090
- RAM: 32 GB
- Storage: 500 GB NVMe
- Port/Traffic: 1Gbps
- €129/month or €0.25/hour
Pro VPS
- CPU: 16 vCores
- GPU: RTX 4090
- RAM: 64 GB
- Storage: 1 TB NVMe
- Port/Traffic: 1Gbps
- €179/month or €0.35/hour
Max VPS
- CPU: 24 vCores
- GPU: RTX 5090
- RAM: 96 GB
- Storage: 2 TB NVMe
- Port/Traffic: 1Gbps
- €239/month or €0.44/hour

All servers are set up within a few minutes. Pick from a variety of free or discounted AI software that is already set up for you.

HOSTKEY is here to help with flexible billing, instant setup and expert assistance for your AI needs.