
ComfyUI / Comfy
curatedWorkflow Power
Node-based visual engine for building powerful AI image workflows.
About
Comfy provides ComfyUI, an open-source node/graph interface for designing and running advanced diffusion pipelines, plus optional cloud features for running workflows without local GPU setup.
Product Positioning
What makes it different
Graph/node workflows let you compose, reuse, and iterate on complex diffusion pipelines with maximal control.
Best for
Developers & TechnicalDesignersAgencies & Studios
StrengthWorkflow Power
Primary use case
Build and run custom diffusion workflows (from simple prompts to complex multi-step pipelines).
Core problem it solves
Most image generators hide control behind presets, making advanced pipelines hard to reproduce or customize. Switching between tools for steps like conditioning, sampling, upscaling, and post-processing is slow and error-prone.
Key Features
- ✓Node/graph interface for composing diffusion pipelines
- ✓Highly modular with custom nodes and reusable workflows
- ✓Runs locally or via cloud options depending on setup
Flowchart-style workflow buildingSupport for many diffusion backends and model familiesBatch runs and parameter sweepsWorkflow export/import and sharingAPI-driven execution for automation
Workspace & Workflow
Workspace Types
Node GraphAPI / Dev Console
Workflow Capabilities
Step ChainingBranchingReusable TemplatesShareable ProjectsBatch ProcessingAPI Automation
Collaboration
- Project sharing
Supported Models
HybridCommunity models (unlimited); 900+ preinstalled in Comfy Cloud models
Stable Diffusion 1.xStable Diffusion 2.xSDXLSDXL TurboStable CascadeStable Diffusion 3Stable Diffusion 3.5PixArt AlphaPixArt SigmaAuraFlowHunyuanDiTFLUX.1
Expertise Requirements
Design Skill
Intermediate
AI Knowledge
Professional
Technical Skill
Technical
Output Modalities
Text-to-Image
Image-to-Image
Inpainting
Outpainting
Upscaling
Screenshots
Pricing
FreemiumFree tier available
Most Popular
Self-hosted (Open Source)
$0
- Run ComfyUI locally
- Full node graph workflow editor
- Community models and custom nodes
Comfy Cloud
Paid (see pricing)
- Run workflows in the browser
- Managed compute (no local GPU required)
- Preinstalled models and easier setup