Tools· Design & Creative

ComfyUI

ComfyUI is a node-based, open-source editor that lets you build image, video, and 3D generation pipelines visually as workflow graphs.

generatingdesigningexecutableOpen Source

Open provider

Description

ComfyUI represents image and video generation as a graph of connected nodes: samplers, models, VAE, ControlNet, LoRA, and other building blocks can be wired together freely instead of being hidden behind a single prompt field. This gives full control over every step of the pipeline and makes workflows reproducible and shareable, something a simple prompt box cannot offer. The project is maintained by Comfy Org, with a broad ecosystem of community extensions for additional nodes and models.

The price for this control is a considerably steeper learning curve than classic text-to-image tools. Anyone working locally needs a graphics card with enough video memory, typically 8 gigabytes or more, otherwise the only option is to route through cloud compute offerings. Workflows can become hard to follow as complexity grows if they are not documented and versioned cleanly.

Compared to tools like Midjourney, ComfyUI trades accessibility for control: it works as the engine behind your own repeatable creative pipeline, not as a quick entry point for occasional image generation.

Strengths

Full pipeline control

Models, samplers, processing steps, and outputs sit visibly on a shared canvas and can be inspected and adjusted individually.

Large node ecosystem

Over 60,000 nodes and thousands of workflows are available, backed by an active community.

App Mode for beginners

A simplified view of your workflows can be switched back to the full node graph view any time more control is needed.

Community workflows as a starting point

Thousands of shared workflows can be browsed, remixed, and used as templates for your own pipelines instead of starting from zero.

From local machine to production

Workflows run either on your own hardware, in the cloud, or as an API endpoint for automated batch jobs.

Assessment

AI features

Image, video, and 3D pipelines A shared node graph drives generation pipelines for image, video, and 3D output, depending on the models connected.
Modular processing steps Samplers, models, VAE, ControlNet, and LoRA can be combined and swapped freely as individual nodes.
Custom nodes and extensions Developers can build their own nodes for specialized use cases and contribute them to the ecosystem.
Partner nodes for proprietary models Comfy Cloud additionally lets you run proprietary models, such as Nano Banana Pro, directly inside a workflow.
Bring your own models and LoRAs On the paid cloud plans, you can import your own models and LoRAs from CivitAI or Huggingface.

Suitable for

Technical creative teams and AI artists who want to retain full control over individual steps of an image or video generation pipeline
Teams with their own GPU infrastructure or cloud setup who need repeatable, versionable workflows instead of one-off prompts
Developers who want to build their own nodes or extensions for specialized use cases
Less suitable for Less suitable for teams without a technical background who want quick results without learning nodes and sampler parameters

Limitations and notes

Steep learning curve Moving from a single prompt field to a node graph with sampler, model, and processing parameters takes considerably more onboarding than classic text-to-image tools.
Own hardware needed for local use Without a graphics card with enough video memory, typically 8 gigabytes or more, the only remaining option is cloud compute.
Time limit per job in the cloud A workflow run is capped at 30 minutes, or 1 hour on the Pro plan. Jobs that exceed this limit are cancelled automatically.
Usage-based cloud billing Comfy Cloud bills through a monthly pool of credits tied to GPU runtime. Heavier models, higher resolutions, and partner nodes consume more of it.
Limited custom node support in the cloud Comfy Cloud currently covers only a selection of the most-used community nodes, with support expanding gradually.

Quick start

Download and install ComfyUI locally, or sign up for Comfy Cloud.
Start in App Mode, the simplified view that requires no prior node graph knowledge.
Load a community workflow from Comfy Workflows as a template and adapt it to your use case.
Switch to the node graph view when needed to control models, samplers, and other parameters directly.
Generate, review the result, and refine the workflow iteratively.

Tips

For a first project, starting from an existing community workflow is easier than building the node graph from scratch.
For automation and batch processing, ComfyUI can be driven programmatically through the API, with concurrency limits that scale by cloud plan.
Extra purchased credits do not expire right away: unused top-ups roll over automatically into the following month for up to a year.
Anyone who wants to use their own models or LoRAs from CivitAI or Huggingface needs at least the Creator plan on Comfy Cloud.
Partner nodes for proprietary models draw from the same credit pool as your subscription and work on both Comfy Cloud and Comfy Desktop.

Access

ComfyUI itself is open source, free, and can be installed locally. Costs come from your own hardware, particularly a graphics card with enough video memory, and optionally from cloud compute or hosting offerings by Comfy Org for teams without their own GPU.